APA (7th ed.) Citation

(1961). Principles of animal ecology (Repr.). Saunders.

Chicago Style (17th ed.) Citation

Principles of Animal Ecology. Repr. Philadelphia <<[u.a.]>>: Saunders, 1961.

MLA (9th ed.) Citation

Principles of Animal Ecology. Repr. Saunders, 1961.

Warning: These citations may not always be 100% accurate.