APA (7th ed.) Citation

Brazil, M. A. (1981). The behavioural ecology of the whooper swan (Cygnus cygnus cygnus).

Chicago Style (17th ed.) Citation

Brazil, Mark Andrew. The Behavioural Ecology of the Whooper Swan (Cygnus Cygnus Cygnus). 1981.

MLA (8th ed.) Citation

Brazil, Mark Andrew. The Behavioural Ecology of the Whooper Swan (Cygnus Cygnus Cygnus). 1981.

Warning: These citations may not always be 100% accurate.