Cita APA (7a ed.)

Bibby, J. F., & Maisel, L. S. (2003). Two parties--or more?: The American party system (2nd ed.). Westview Press.

Cita Chicago Style (17a ed.)

Bibby, John F., y Louis Sandy Maisel. Two Parties--or More?: The American Party System. 2nd ed. Boulder, Colo.: Westview Press, 2003.

Cita MLA (8a ed.)

Bibby, John F., y Louis Sandy Maisel. Two Parties--or More?: The American Party System. 2nd ed. Westview Press, 2003.