APA (7th ed.) Citation

Krebs, J. R., & Davies, N. B. (1997). Behavioural ecology: An evolutionary approach (4th ed.). Blackwell Science.

Chicago Style (17th ed.) Citation

Krebs, J. R., and N. B. Davies. Behavioural Ecology: An Evolutionary Approach. 4th ed. Oxford ; Malden, MA: Blackwell Science, 1997.

MLA (9th ed.) Citation

Krebs, J. R., and N. B. Davies. Behavioural Ecology: An Evolutionary Approach. 4th ed. Blackwell Science, 1997.