APA (7th ed.) Citation

Booth, J. A., & Walker, T. W. (1993). Understanding Central America (2nd ed.). Westview Press.

Chicago Style (17th ed.) Citation

Booth, John A., and Thomas W. Walker. Understanding Central America. 2nd ed. Boulder: Westview Press, 1993.

MLA (9th ed.) Citation

Booth, John A., and Thomas W. Walker. Understanding Central America. 2nd ed. Westview Press, 1993.