Cita APA (7a ed.)

WHEELER, J. H., Jr, & KOSTBADE, J. T. Regional geography of the world: An introductory survey. Holt.

Cita Chicago Style (17a ed.)

WHEELER, Josse H., Jr, y J. Trenton KOSTBADE. Regional Geography of the World: An Introductory Survey. New York: Holt.

Cita MLA (9a ed.)

WHEELER, Josse H., Jr, y J. Trenton KOSTBADE. Regional Geography of the World: An Introductory Survey. Holt.