APA (7th ed.) Citation

Bodenheimer, F. S. (1938). Problems of animal ecology. Oxford university press.

Chicago Style (17th ed.) Citation

Bodenheimer, F. S. Problems of Animal Ecology. [London]: Oxford university press, 1938.

MLA (9th ed.) Citation

Bodenheimer, F. S. Problems of Animal Ecology. Oxford university press, 1938.