Cita APA (7a ed.)

Thoman, R. S. (1962). The geography of economic activity: An introductory world survey. McGraw-Hill Book Company.

Cita Chicago Style (17a ed.)

Thoman, Richard S. The Geography of Economic Activity: An Introductory World Survey. New York [etc.]: McGraw-Hill Book Company, 1962.

Cita MLA (9a ed.)

Thoman, Richard S. The Geography of Economic Activity: An Introductory World Survey. McGraw-Hill Book Company, 1962.