APA (7th ed.) Citation

Walter, H. E. (1939). Biology of the vertebrates: A comparative study of man and his animal allies (Rev. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Walter, Herbert Eugene. Biology of the Vertebrates: A Comparative Study of Man and His Animal Allies. Rev. ed. New York: Macmillan, 1939.

MLA (9th ed.) Citation

Walter, Herbert Eugene. Biology of the Vertebrates: A Comparative Study of Man and His Animal Allies. Rev. ed. Macmillan, 1939.