APA (7th ed.) Citation

Thoman, R. S., & Corbin, P. B. (1974). The geography of economic activity (3. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Thoman, Richard S., and Peter B. Corbin. The Geography of Economic Activity. 3. ed. New York: McGraw-Hill, 1974.

MLA (9th ed.) Citation

Thoman, Richard S., and Peter B. Corbin. The Geography of Economic Activity. 3. ed. McGraw-Hill, 1974.