Citazione Stile APA (7a Edizione)

Woll, P., & Zimmerman, S. E. (1992). American government: The core (2nd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Woll, Peter, e Sidney E. Zimmerman. American Government: The Core. 2nd ed. New York [etc.]: McGraw-Hill, 1992.

Citatione MLA (9a ed.)

Woll, Peter, e Sidney E. Zimmerman. American Government: The Core. 2nd ed. McGraw-Hill, 1992.