APA (7th ed.) Citation

(1977). Principles of zoology (2.ed.). Holt, Rinehart & Winston.

Chicago Style (17th ed.) Citation

Principles of Zoology. 2.ed. New York: Holt, Rinehart & Winston, 1977.

MLA (9th ed.) Citation

Principles of Zoology. 2.ed. Holt, Rinehart & Winston, 1977.