APA (7th ed.) Citation
Birdsall, S. S., & Florin, J. (1992). Outline of american geography: Regional landscapes of the United States (4. ed.). John Wiley & Sons, Inc.
Chicago Style (17th ed.) Citation
Birdsall, Stephen S., and John Florin. Outline of American Geography: Regional Landscapes of the United States. 4. ed. New York: John Wiley & Sons, Inc, 1992.
MLA (9th ed.) Citation
Birdsall, Stephen S., and John Florin. Outline of American Geography: Regional Landscapes of the United States. 4. ed. John Wiley & Sons, Inc, 1992.
Warning: These citations may not always be 100% accurate.