APA (7th ed.) Citation

Allum, F., Siebert, R., & Siebert, R. (2003). Organized crime and the challenge to democracy. Routledge/ECPR studies in European political science.

Chicago Style (17th ed.) Citation

Allum, Felia, Renate Siebert, and Renate Siebert. "Organized Crime and the Challenge to Democracy." Routledge/ECPR Studies in European Political Science 2003.

MLA (8th ed.) Citation

Allum, Felia, et al. "Organized Crime and the Challenge to Democracy." Routledge/ECPR Studies in European Political Science, 2003.