Cita APA (7th ed.)

O'Connor, K., & Sabato, L. (1996). American government: Roots and reform (Brief 2nd ed.). Allyn and Bacon.

Cita Chicago (17th ed.)

O'Connor, Karen, i Larry Sabato. American Government: Roots and Reform. Brief 2nd ed. Boston: Allyn and Bacon, 1996.

Cita MLA (9th ed.)

O'Connor, Karen, i Larry Sabato. American Government: Roots and Reform. Brief 2nd ed. Allyn and Bacon, 1996.