APA (7th ed.) Citation

Stansfield, C. A., & Zimolzak, C. E. (1982). World regions: Changing interactions. Merrill.

Chicago Style (17th ed.) Citation

Stansfield, Charles A., and Chester E. Zimolzak. World Regions: Changing Interactions. Columbus u.a: Merrill, 1982.

MLA (9th ed.) Citation

Stansfield, Charles A., and Chester E. Zimolzak. World Regions: Changing Interactions. Merrill, 1982.