APA (7th ed.) Citation

Johnsgard, P. A. (1983). The hummingbirds of North America (First edition.). Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Johnsgard, Paul A. The Hummingbirds of North America. First edition. Washington, D.C.: Smithsonian Institution Press, 1983.

MLA (9th ed.) Citation

Johnsgard, Paul A. The Hummingbirds of North America. First edition. Smithsonian Institution Press, 1983.