APA (7th ed.) Citation

Storer, T. I., & Usinger, R. L. (1961). Elements of zoology (2d ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Storer, Tracy I., and Robert L. Usinger. Elements of Zoology. 2d ed. New York: McGraw-Hill, 1961.

MLA (9th ed.) Citation

Storer, Tracy I., and Robert L. Usinger. Elements of Zoology. 2d ed. McGraw-Hill, 1961.