Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Gunther, Richard, Jose Ramon Montero, i Juan J. Linz. Political Parties: Old Concepts and New Challenges. Oxford, Eng: Oxford University Press, 2002.

Cita MLA (9th ed.)

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