Please cite this data as follows, and pay attention to the rights documented in the rights.txt:
Please respect the rights declared for each dataset in the download: 
NatureServe Central Databases (accessed through GBIF data portal, http://data.gbif.org/datasets/resource/607, [DATE]) doi:10.15468/lysaex
Wildlife Sightings - (http://www.wildlifesightings.net) doi:10.15468/xfeisd
Western New Mexico University Mammal Collection doi:10.15468/gcld3d
Mammal Collection, University of Alaska Museum (UAM) doi:10.15468/lbixob
University of California, Davis Wildlife and Fisheries Museum doi:10.15468/xccjns
Varied sources. Individual references may be obtained from website (paleodb.org) doi:10.15468/2durgn
Biodiversity Research and Teaching Collections, Department of Wildlife and Fisheries Sciences, Texas A&M University, College Station, TX, USA. doi:10.15468/szomia
iNaturalist.org: iNaturalist research-grade observations doi:10.15468/ab3s5x
MSU Mammalogy, Ornithology and Vertebrate Paleontology Collections doi:10.15468/xypr72
European Molecular Biology Laboratory (EMBL): Geographically tagged INSDC sequences doi:10.15468/cndomv
Chicago Academy of Sciences Vertebrate Collections (CHAS) doi:10.15468/toszod
Cite the source of recordings as Macaulay Library (ML).<br><br>

When possible, include the following data in your citation:<br><br>

ML Media-collection Catalog-number<br>
Common Name - Scientific name<br>
Recordist<br>
Location<br>
Date<br>
Macaulay Library/Cornell<br><br>

For example:<br><br>

ML Audio 2081<br>
Green Heron - Butorides virescens<br>
Sutherland, Charles A<br>
United States, New York, Tompkins, 3 km NE of Ithaca, Sapsucker Woods Pond<br>
29 July 1962<br>
Macaulay Library, www.macaulaylibrary.org<br>
Cornell Lab of Ornithology<br><br>

To cite an online recording, use the URL from the specimen record page. This URL is a stable globally unique identifier, or GUID, and also approximates the format for a life science identifier(LSID): <br><br>

institution_collection_catalog# <br>
(e.g. macaulaylibrary.org/video/12345).<br><br>

The long url form should not be used. <br>
(e.g. macaulaylibrary.org/video/12345/cardinal-new-york-2011).<br><br>

For more information: http://macaulaylibrary.org/cite-recordings doi:10.15468/ckcdpy
Museum of Biological Diversity, The Ohio State University: Ohio State University Tetrapod Division - Mammal Collection (OSUM) doi:10.15468/jyhwea
Museum of Vertebrate Zoology (MVZ), University of California, Berkeley doi:10.15468/nzdbrf
TTU Mammals Collection doi:10.15468/yocqyp
PSM Collection doi:10.15468/3oaz5o
University of Wyoming Museum of Vertebrates doi:10.15468/2xhucd
Bioimages (http://bioimages.vanderbilt.edu/) doi:10.15468/jib4rt
SBMNH Vertebrate Collection doi:10.15468/amfnkq
New Mexico Biodiversity Collections Consortium internet accessible database, provided through DiGIR protocol. doi:10.15468/g4exdl
UNSM doi:10.15468/f2i1kv
National Museum of Nature and Science, Japan: Ibaraki Nature Museum, Mammals collection doi:10.15468/zgxhwc
Natural History Museum, University of Oslo: Mammal collection, Natural History Museum, University of Oslo doi:10.15468/knvqao
University of Alberta Museums: University of Alberta Museums, Mammalogy Collection doi:10.15468/yhh31h
University of Tennessee - Chattanooga (UTC): (UTCFM) University of Tennessee - Fossil Mammals Collection doi:10.15468/hgjijw
New York State Museum doi:10.15468/awwifu
BeBIF Provider: University of Ghent - Zoology Museum - Vertebratacollectie doi:10.15468/u3fdk4
San Diego Natural History Museum: Mammal specimens doi:10.15468/evdcls
Mamíferos de Nuevo León, México (UANL) doi:10.15468/k3iqr8
University of Washington Burke Museum Mammalogy Collection doi:10.15468/qziy3w
Division of Mammals, Museum of Southwestern Biology (MSB) doi:10.15468/oirgxw
- doi:10.15468/elc2yx
Royal Ontario Museum: Palaeobiology - Vertebrate Comparative Osteology Collection - Royal Ontario Museum doi:10.15468/d6anwc
Sam Noble Oklahoma Museum of Natural History: Mammals Specimens doi:10.15468/fmuion
Angelo State Natural History Collections (ASNHC): Angelo State Natural History Collections (ASNHC) - Mammalogy Collection doi:10.15468/wvqqpo
University of California Museum of Paleontology doi:10.15468/bxpyo3
University of Colorado Museum of Natural History Mammals Collection doi:10.15468/rwtmwf
AMNH Mammal Collection doi:10.15468/wu3poe
University of Arkansas Collections Facility, UAFMC: UAFMC Mammals doi:10.15468/pzvq9b
Laboratory for Environmental Biology, Centennial Museum, University of Texas at El Paso doi:10.15468/bbj8ad
CNMA, Portal UNIBIO, Instituto de Biología, Universidad Nacional Autónoma de México, http://www.unibio.unam.mx consultada el dd/mm/yy. doi:10.15468/rchosl
Museum of Vertebrate Zoology (MVZ), University of California, Berkeley doi:10.15468/uwudf9
naturgucker.de: naturgucker doi:10.15468/uc1apo
Denver Museum of Nature & Science Mammal Collection doi:10.15468/bqvk9g
National Museum of Nature and Science, Japan: Mammal specimen database of Kanagawa Prefectural Museum of Natural History doi:10.15468/vbbzks
LSUMZ Mammals Collection doi:10.15468/wxiqf6
Natural History Museum of Los Angeles County: LACM Vertebrate Collection doi:10.15468/77rmwd
California Academy of Sciences: CAS Mammalogy (MAM) doi:10.15468/dhbozg
Gothenburg Natural History Museum (GNM): Vertebrates of the Gothenburg Natural History Museum (GNM) doi:10.15468/xmrfet
Sosa Fernández, V., Hernández A. y J. Bello. 1998. Inventario de los mamíferos de las reservas de la biósfera Mapimí, La Michilía, El Cielo y Calakmul. Instituto de Ecología A.C. Bases de datos SNIB2010-CONABIO proyecto No. P027. México, D.F. doi:10.15468/yj7fsw
Senckenberg: Collection Mammalia SMF doi:10.15468/igaciv
MNHN - Museum national d'Histoire naturelle: Mammals collection (ZM) of the Muséum national d'Histoire naturelle (MNHN - Paris) doi:10.15468/j0xw9i
Humboldt State University Wildlife Museum doi:10.15468/euqjrh
University of Tennessee - Chattanooga (UTC): (UTC) University of Tennessee Mammals Collection doi:10.15468/5x16ht
UMMZ Mammal Collection doi:10.15468/dx3rcj
Museum of Southwestern Biology (MSB) Division of Parasitology doi:10.15468/5o0fct
John Wesley Powell-Dale Birkenholz Natural History Collections, Illinois State University doi:10.15468/sqbpak
University of Alaska Museum, Earth Sciences Collection doi:10.15468/4n2ev3
Tall Timbers Research Station and Land Conservancy: TTRS Mammals doi:10.15468/lvvbfk
Magaña Cota, G. E. 2004. Colección científica del Museo de Historia Natural Alfredo Dugès. Universidad de Guanajuato. Bases de datos SNIB2010-CONABIO. Proyecto No. V002. México, D.F. doi:10.15468/ledqy2
New Mexico Museum of Natural History and Science doi:10.15468/jnwoq8
Yale University Peabody Museum: Vertebrate Zoology Division - Mammalogy, Yale Peabody Museum doi:10.15468/4mm6uc
Fort Hays Sternberg Museum Mammal Collection (FHSM-M) doi:10.15468/7trvzo
Escobar Ocampo, M. C., Morales Pérez, J. E., Hernández García, E., Guzmán Hernández, J., Riechers Pérez, A. y E. E. Espinoza Medinilla. 2006. Sistematización de las colecciones científicas del Instituto de Historia Natural y ecología, (IHNE) Chiapas. Instituto de Historia Natural y Ecología. Bases de datos SNIB2010-CONABIO. IHNE_Vertebrados proyectos No. V050, L018 y P060. México, D.F. doi:10.15468/z3ver6
Royal Ontario Museum: Mammalogy Collection - Royal Ontario Museum doi:10.15468/2rlrvh
Cornell University Museum of Vertebrates: CUMV Mammal Collection (Arctos) doi:10.15468/kkgkne
Royal Ontario Museum: Palaeobiology - Vertebrate Fossils Collection - Mammalia - Royal Ontario Museum doi:10.15468/50n0dc
Senckenberg: Collection Anatomie Histologie - SMF doi:10.15468/89tigm
North Carolina Museum of Natural Sciences Mammals Collection doi:10.15468/jkjbew
Cowan Tetrapod Collection at the University of British Columbia Beaty Biodiversity Museum (UBCBBM) doi:10.15468/qgdpad
Field Museum: Field Museum of Natural History (Zoology) Mammal Collection doi:10.15468/n4zgxw
Museo Argentino de Ciencias Naturales: Colección Nacional de Mastozoología - Museo Argentino de Ciencias Naturales 'Bernardino Rivadavia' doi:10.15468/ukdxqp
National Museum of Natural History, Smithsonian Institution: NMNH occurrence DwC-A doi:10.15468/dipjcr
Mammal tissues, Division of Genomic Resources, UNM, Albuquerque, NM. doi:10.15468/rbqzjt
Australian Museum: Australian Museum provider for OZCAM doi:10.15468/e7susi
Queensland Museum: Queensland Museum provider for OZCAM doi:10.15468/lotsye
Ruedi M. Mammals housed at MHNG, Geneva. Muséum d'histoire naturelle de la Ville de Genève doi:10.15468/lwu4fj
Facultad de Ciencias Naturales y Museo - U.N.L.P.: Colección de Mastozoología doi:10.15468/ucwogm
Natural History Museum Rotterdam: Natural History Museum Rotterdam (NL) - Chordata collection doi:10.15468/5rtmkg
CCBER Mammalogy Collection doi:10.15468/uvoxek
Natural History Museum (2015): Collection specimens data.nhm.ac.uk., http://dx.doi.org/10.5519/0002965 doi:10.5519/0002965
South Australian Museum: South Australian Museum Australia provider for OZCAM doi:10.15468/wz4rrh
California State University, Chico Vertebrate Museum Mammalogy Collection (CSUC) doi:10.15468/hryvlt
University Museum of Zoology Cambridge, UMZC doi:10.15468/pjmjvn
Naturalis Biodiversity Center: Zoological Museum Amsterdam, University of Amsterdam (NL) – Mammalia doi:10.15468/okq0w0
Royal Belgian Institute of Natural Sciences: RBINS collections doi:10.15468/qxy4mc
KU Mammal Collection doi:10.15468/a3woj7
Museum of Comparative Zoology, Harvard University: Museum of Comparative Zoology, Harvard University doi:10.15468/p5rupv
North Carolina Museum of Natural Sciences Vertebrate Paleontology Collection doi:10.15468/yksryn
Charles R. Conner Museum doi:10.15468/ybd4r1
UCLA Donald R. Dickey Bird and Mammal Collection doi:10.15468/qv6cxl
Naturalis Biodiversity Center: Naturalis Biodiversity Center (NL) - Mammalia doi:10.15468/d7gugd