Cita APA (7th ed.)

Hickman, C. P., & Roberts, L. S. (1993). Integrated principles of zoology (9th ed.). Wm. C. Brown Publishers.

Cita Chicago (17th ed.)

Hickman, Cleveland P., i Larry S. Roberts. Integrated Principles of Zoology. 9th ed. Dubuque, IA: Wm. C. Brown Publishers, 1993.

Cita MLA (9th ed.)

Hickman, Cleveland P., i Larry S. Roberts. Integrated Principles of Zoology. 9th ed. Wm. C. Brown Publishers, 1993.