Cita APA

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

Citación estilo Chicago

Storer, Tracy Irwin, and Robert L. Usinger. Elements of Zoology. New York: McGraw-Hill, 1961.

Cita MLA

Storer, Tracy Irwin, and Robert L. Usinger. Elements of Zoology. McGraw-Hill, 1961.