APA (7th ed.) Citation

(1950). Principles of animal ecology (repr.). Saunders.

Chicago Style (17th ed.) Citation

Principles of Animal Ecology. repr. Philadelphia, Pa. [u.a.]: Saunders, 1950.

MLA (9th ed.) Citation

Principles of Animal Ecology. repr. Saunders, 1950.

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