Cita APA (7a ed.)

Bibby, J. F., & Maisel, L. S. (1998). Two parties - or more?: The american party system. Westview.

Cita Chicago Style (17a ed.)

Bibby, John F., y Louis Sandy Maisel. Two Parties - or More?: The American Party System. Boulder [etc.]: Westview, 1998.

Cita MLA (9a ed.)

Bibby, John F., y Louis Sandy Maisel. Two Parties - or More?: The American Party System. Westview, 1998.