Cita APA (7a ed.)

O'Connor, K., & Sabato, L. (1993). American government: Roots and reform (Special pre-election preview ed., Special preview ed.). Macmillan Maxwell Macmillan Canada.

Cita Chicago Style (17a ed.)

O'Connor, Karen, y Larry Sabato. American Government: Roots and Reform. Special pre-election preview ed., Special preview ed. New York, Toronto: Macmillan Maxwell Macmillan Canada, 1993.

Cita MLA (9a ed.)

O'Connor, Karen, y Larry Sabato. American Government: Roots and Reform. Special pre-election preview ed., Special preview ed. Macmillan Maxwell Macmillan Canada, 1993.