Cita APA (7a ed.)

Krebs, J. R., & Davies, N. B. (2001). Behavioural ecology: An evolutionary approach (4th ed., repr.). Blackwell Science.

Cita Chicago Style (17a ed.)

Krebs, J. R., y N. B. Davies. Behavioural Ecology: An Evolutionary Approach. 4th ed., repr. Oxford [etc.]: Blackwell Science, 2001.

Cita MLA (9a ed.)

Krebs, J. R., y N. B. Davies. Behavioural Ecology: An Evolutionary Approach. 4th ed., repr. Blackwell Science, 2001.