Burt, W. H., & Grossenheider, R. P. (1976). A field guide to the mammals: Field marks of all North American species found north of Mexico (3d ed.). Houghton Mifflin.
Chicago Style (17th ed.) CitationBurt, William Henry, and Richard Philip Grossenheider. A Field Guide to the Mammals: Field Marks of All North American Species Found North of Mexico. 3d ed. Boston: Houghton Mifflin, 1976.
MLA (9th ed.) CitationBurt, William Henry, and Richard Philip Grossenheider. A Field Guide to the Mammals: Field Marks of All North American Species Found North of Mexico. 3d ed. Houghton Mifflin, 1976.
Warning: These citations may not always be 100% accurate.