APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Krebs, J. R., and N. B. Davies. Behavioural Ecology: An Evolutionary Approach. 2nd ed. Blackwell Scientific, 1984.