APA (7th ed.) Citation

Bahmueller, C. F., & Rasmussen, R. K. (2007). The 50 states (2nd ed.). Salem Press.

Chicago Style (17th ed.) Citation

Bahmueller, Charles F., and R. Kent Rasmussen. The 50 States. 2nd ed. Pasadena, Calif.: Salem Press, 2007.

MLA (9th ed.) Citation

Bahmueller, Charles F., and R. Kent Rasmussen. The 50 States. 2nd ed. Salem Press, 2007.