Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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