Cita APA

Storer, T. I., Usinger, R. L., & Nybakken, J. W. (1968). Elements of zoology (3d ed.). McGraw-Hill.

Citación estilo Chicago

Storer, Tracy Irwin, Robert L. Usinger, and James Willard Nybakken. Elements of Zoology. 3d ed. New York: McGraw-Hill, 1968.

Cita MLA

Storer, Tracy Irwin, et al. Elements of Zoology. 3d ed. McGraw-Hill, 1968.