Cita APA

Krebs, J. R. D. (1987). Introduction to behavioural ecology (2.).

Chicago Edition Citation

Krebs, J R; Davies. Introduction to Behavioural Ecology. 2. Blackwell Scientific Publications, Edinburgh, 1987.

Cita MLA

Krebs, J R; Davies. Introduction to Behavioural Ecology. 2. 1987.