Cita APA (7a ed.)

Spamann, H. (2014). The US crime puzzle: A comparative perspective on US crime and punishment. Harvard John M. Olin Center for Law, Economics, and Business. https://doi.org/10.2139/ssrn.2463720

Cita Chicago Style (17a ed.)

Spamann, Holger. The US Crime Puzzle: A Comparative Perspective on US Crime and Punishment. Harvard John M. Olin Center for Law, Economics, and Business, 2014. https://doi.org/10.2139/ssrn.2463720.

Cita MLA (9a ed.)

Spamann, Holger. The US Crime Puzzle: A Comparative Perspective on US Crime and Punishment. Harvard John M. Olin Center for Law, Economics, and Business, 2014. https://doi.org/10.2139/ssrn.2463720.