APA (7th ed.) Citation

Elton, C. S. (1942). Voles, mice and lemmings: Problems in population dynamics. The Clarendon press.

Chicago Style (17th ed.) Citation

Elton, Charles S. Voles, Mice and Lemmings: Problems in Population Dynamics. Oxford: The Clarendon press, 1942.

MLA (9th ed.) Citation

Elton, Charles S. Voles, Mice and Lemmings: Problems in Population Dynamics. The Clarendon press, 1942.