Cita APA (7a ed.)

Oliver, J. E. (1977). Perspectives on applied physical geography. Duxbury Press.

Cita Chicago Style (17a ed.)

Oliver, John Edward. Perspectives on Applied Physical Geography. North Scituate, Mass.: Duxbury Press, 1977.

Cita MLA (9a ed.)

Oliver, John Edward. Perspectives on Applied Physical Geography. Duxbury Press, 1977.