Citazione Stile APA (7a Edizione)

O'Connor, K., & Sabato, L. (1994). American government: Roots and reform (Brief ed.). Macmillan [u.a.

Citazione stile Chigago Style (17a edizione)

O'Connor, Karen, e Larry Sabato. American Government: Roots and Reform. Brief ed. New York [u.a.]: Macmillan [u.a, 1994.

Citatione MLA (9a ed.)

O'Connor, Karen, e Larry Sabato. American Government: Roots and Reform. Brief ed. Macmillan [u.a, 1994.