APA Style

Davies, J, K, &, N. (1997). Behavioural Ecology: An Evolutionary Approach (4th Edition). Malden, Massachusetts, USA: Blackwell Publishing.

MLA Style

Davies, John R., Krebs, &, Nicholas B.. "Behavioural Ecology: An Evolutionary Approach". 4th Edition Malden, Massachusetts, USA: Blackwell Publishing, 1997. BOOK.