APA (7th ed.) Citation

Krebs, J. R., & Davies, N. B. (1984). Behavioural ecology: An evolutionary approach (2a. ed.). Blackwell Scientific Publications.

Chicago Style (17th ed.) Citation

Krebs, John R., and N. B. Davies. Behavioural Ecology: An Evolutionary Approach. 2a. ed. Oxford: Blackwell Scientific Publications, 1984.

MLA (9th ed.) Citation

Krebs, John R., and N. B. Davies. Behavioural Ecology: An Evolutionary Approach. 2a. ed. Blackwell Scientific Publications, 1984.