APA (7e ed.) Bronvermelding

Butlin, R. A. (1993). Historical geography: Through the gates of space and time. E. Arnold.

Chicago (17e ed.) Bronvermelding

Butlin, R. A. Historical Geography: Through the Gates of Space and Time. London: E. Arnold, 1993.

MLA (9e ed.) Bronvermelding

Butlin, R. A. Historical Geography: Through the Gates of Space and Time. E. Arnold, 1993.