Cita APA

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

Citación estilo Chicago

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

Cita MLA

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