APA-viite

Krebs,J R, & Davies,N B. Introduction to behavioural ecology (2.). Blackwell Scientific Publications.

Chicago-tyylinen lähdeviittaus

Krebs,J R, ja Davies,N B. Introduction to Behavioural Ecology. 2. London: Blackwell Scientific Publications.

MLA-viite

Krebs,J R, ja Davies,N B. Introduction to Behavioural Ecology. 2. Blackwell Scientific Publications.