Cita APA (7th ed.)

Harris, C. L. (1996). Concepts in zoology (2nd ed.). HarperCollins College.

Cita Chicago (17th ed.)

Harris, C. Leon. Concepts in Zoology. 2nd ed. New York: HarperCollins College, 1996.

Cita MLA (9th ed.)

Harris, C. Leon. Concepts in Zoology. 2nd ed. HarperCollins College, 1996.