APA (7th ed.) Citation

Baird, S. F., Brewer, T. M., & Ridgway, R. A History of North American birds. Little, Brown & Co.

Chicago Style (17th ed.) Citation

Baird, Spencer Fullerton, Thomas Mayo Brewer, and Robert Ridgway. A History of North American Birds. Boston: Little, Brown & Co.

MLA (9th ed.) Citation

Baird, Spencer Fullerton, et al. A History of North American Birds. Little, Brown & Co.