Cita APA (7th ed.)

Foot, D. (1981). Operational Urban Models: An Introduction. Methuen & Co. Ltd.

Cita Chicago (17th ed.)

Foot, David. Operational Urban Models: An Introduction. London: Methuen & Co. Ltd, 1981.

Cita MLA (9th ed.)

Foot, David. Operational Urban Models: An Introduction. Methuen & Co. Ltd, 1981.