APA (7th ed.) Citation

Schwartz, S. I., & Ehrenberg, R. E. (1980). The mapping of America. Abrams.

Chicago Style (17th ed.) Citation

Schwartz, Seymour I., and Ralph E. Ehrenberg. The Mapping of America. New York: Abrams, 1980.

MLA (9th ed.) Citation

Schwartz, Seymour I., and Ralph E. Ehrenberg. The Mapping of America. Abrams, 1980.