Cita APA

Krebs, J. R., Davies, N. B., & Parr, J. (1987). An introduction to behavioural ecology (2. edition.). Oxford: Blackwell Scientific Publications.

Citación estilo Chicago

Krebs, John R., Nicholas B. Davies, y Jan Parr. An Introduction to Behavioural Ecology. 2. edition. Oxford: Blackwell Scientific Publications, 1987.

Cita MLA

Krebs, John R., Nicholas B. Davies, y Jan Parr. An Introduction to Behavioural Ecology. 2. edition. Oxford: Blackwell Scientific Publications, 1987.