APA (7th ed.) Citation

Birdsall, S. S., & Florin, J. W. (1992). Regional landscapes of the United States and Canada (4th ed.). John Wiley and Sons.

Chicago Style (17th ed.) Citation

Birdsall, Stephen S., and John William Florin. Regional Landscapes of the United States and Canada. 4th ed. New York: John Wiley and Sons, 1992.

MLA (9th ed.) Citation

Birdsall, Stephen S., and John William Florin. Regional Landscapes of the United States and Canada. 4th ed. John Wiley and Sons, 1992.