Cita APA (7th ed.)

Curtis, W. C., & Guthrie, m. J. (1933). Textbook of general zoology (2a. ed.). John Wiley.

Cita Chicago (17th ed.)

Curtis, Winterton C., i mary J. Guthrie. Textbook of General Zoology. 2a. ed. Nueva York: John Wiley, 1933.

Cita MLA (9th ed.)

Curtis, Winterton C., i mary J. Guthrie. Textbook of General Zoology. 2a. ed. John Wiley, 1933.