Cita APA (7a ed.)

James, P. E., & Davis, N. (1985). World geography. Macmillan.

Cita Chicago Style (17a ed.)

James, Preston E., y Nelda Davis. World Geography. New York: Macmillan, 1985.

Cita MLA (9a ed.)

James, Preston E., y Nelda Davis. World Geography. Macmillan, 1985.