APA (7th ed.) Citation

Krebs, J. R., & Davies, N. B. (1978). Behavioural ecology: An evolutionary approach (2nd ed.). Sinauer Associates.

Chicago Style (17th ed.) Citation

Krebs, J. R., and N. B. Davies. Behavioural Ecology: An Evolutionary Approach. 2nd ed. Sunderland, Mass.: Sinauer Associates, 1978.

MLA (9th ed.) Citation

Krebs, J. R., and N. B. Davies. Behavioural Ecology: An Evolutionary Approach. 2nd ed. Sinauer Associates, 1978.