Robbins, C. S., Bruun, B., Singer, A., Zim, H. S., & Singer, A. (1983). A guide to field identification birds of North America. New York: Golder Press.
Chicago Style CitationRobbins, Chandler S.,, Bertel Bruun, Arthur Singer, Herbert S. Zim, and Arthur Singer. A Guide to Field Identification Birds of North America. New York: Golder Press, 1983.
MLA CitationRobbins, Chandler S.,, et al. A Guide to Field Identification Birds of North America. New York: Golder Press, 1983.
Warning: These citations may not always be 100% accurate.