Cita APA (7a ed.)

Wilson, A. G. (1981). Geography and the environment: Systems analytical methods. Wiley & Sons.

Cita Chicago Style (17a ed.)

Wilson, Alan Geoffrey. Geography and the Environment: Systems Analytical Methods. Chichester [etc.]: Wiley & Sons, 1981.

Cita MLA (9a ed.)

Wilson, Alan Geoffrey. Geography and the Environment: Systems Analytical Methods. Wiley & Sons, 1981.