Style de citation APA (7e éd.)

Nelen, H., & Siegel, D. Organized Crime in the 21st Century: Motivations, Opportunities, and Constraints. Springer International Publishing.

Style de citation Chicago (17e éd.)

Nelen, Hans, et Dina Siegel. Organized Crime in the 21st Century: Motivations, Opportunities, and Constraints. Cham: Springer International Publishing.

Style de citation MLA (8e éd.)

Nelen, Hans, et Dina Siegel. Organized Crime in the 21st Century: Motivations, Opportunities, and Constraints. Springer International Publishing.