Cita APA (7a ed.)

Storer, T. I., & Usinger, R. L. (1955). Elements of zoology. McGraw-Hill.

Cita Chicago Style (17a ed.)

Storer, Tracy I., y Robert L. Usinger. Elements of Zoology. New York: McGraw-Hill, 1955.

Cita MLA (8a ed.)

Storer, Tracy I., y Robert L. Usinger. Elements of Zoology. McGraw-Hill, 1955.