APA (7e ed.) Bronvermelding

Brooks, J. L. (1984). Just before the origin: Alfred Russel Wallace's theory of evolution. Columbia University Press.

Chicago (17e ed.) Bronvermelding

Brooks, John Langdon. Just Before the Origin: Alfred Russel Wallace's Theory of Evolution. New York: Columbia University Press, 1984.

MLA (9e ed.) Bronvermelding

Brooks, John Langdon. Just Before the Origin: Alfred Russel Wallace's Theory of Evolution. Columbia University Press, 1984.