APA (7th ed.) Citation

Elton, C. S. (1953). Animal ecology (6. impr.). Sidgwick & Jackson.

Chicago Style (17th ed.) Citation

Elton, Charles S. Animal Ecology. 6. impr. London: Sidgwick & Jackson, 1953.

MLA (9th ed.) Citation

Elton, Charles S. Animal Ecology. 6. impr. Sidgwick & Jackson, 1953.