Cita APA (7th ed.)

Watson, A. (1970). Animal populations in relation to their food resources. Blackwell.

Cita Chicago (17th ed.)

Watson, Adam. Animal Populations in Relation to Their Food Resources. Oxford: Blackwell, 1970.

Cita MLA (9th ed.)

Watson, Adam. Animal Populations in Relation to Their Food Resources. Blackwell, 1970.