APA (7th ed.) Citation

Krebs, J. R., & Davies, N. B. (1981). An introduction to behavioural ecology. Blackwell Scientific Publications.

Chicago Style (17th ed.) Citation

Krebs, J. R., and N. B. Davies. An Introduction to Behavioural Ecology. Oxford [Oxfordshire] ; Boston: Blackwell Scientific Publications, 1981.

MLA (9th ed.) Citation

Krebs, J. R., and N. B. Davies. An Introduction to Behavioural Ecology. Blackwell Scientific Publications, 1981.