Neogene avian localities of North America
MLA
Becker, Jonathan J. Neogene Avian Localities of North America. Washington, D.C.: Smithsonian Institution Press, 1987
APA, 7th edition
Becker, J. J. (1987). Neogene avian localities of North America. Washington, D.C.: Smithsonian Institution Press
Chicago, 17th edition
Becker, Jonathan J. Neogene avian localities of North America. Washington, D.C.: Smithsonian Institution Press, 1987