Cita APA (7a ed.)

Gunther, R., Montero Gibert, J. R., & Linz, J. J. (2002). Political parties: Old concepts and new challenges. University Press.

Cita Chicago Style (17a ed.)

Gunther, Richard, José Ramón Montero Gibert, y Juan J. Linz. Political Parties: Old Concepts and New Challenges. Oxford [etc.]: University Press, 2002.

Cita MLA (9a ed.)

Gunther, Richard, et al. Political Parties: Old Concepts and New Challenges. University Press, 2002.