APA (7th ed.) Citation

Crowcroft, P. (1991). Elton's ecologists: A history of the Bureau of Animal Population. University of Chicago Press.

Chicago Style (17th ed.) Citation

Crowcroft, Peter. Elton's Ecologists: A History of the Bureau of Animal Population. Chicago: University of Chicago Press, 1991.

MLA (8th ed.) Citation

Crowcroft, Peter. Elton's Ecologists: A History of the Bureau of Animal Population. University of Chicago Press, 1991.