Burt, W. H., & Grossenheider, R. P. (1976). A field guide to the mammals (3rd ed.). Houghton Mifflin.
Chicago Style (17th ed.) CitationBurt, William Henry, and Richard Philip Grossenheider. A Field Guide to the Mammals. 3rd ed. New York: Houghton Mifflin, 1976.
MLA (9th ed.) CitationBurt, William Henry, and Richard Philip Grossenheider. A Field Guide to the Mammals. 3rd ed. Houghton Mifflin, 1976.
Warning: These citations may not always be 100% accurate.