Cita APA (7a ed.)

Engel, C. (2012). Low self-control as a source of crime: A meta-study. Preprints of the Max Planck Institute for Research on Collective Goods.

Cita Chicago Style (17a ed.)

Engel, Christoph. "Low Self-control as a Source of Crime: A Meta-study." Preprints of the Max Planck Institute for Research on Collective Goods 2012.

Cita MLA (9a ed.)

Engel, Christoph. "Low Self-control as a Source of Crime: A Meta-study." Preprints of the Max Planck Institute for Research on Collective Goods, 2012.

Precaución: Estas citas no son 100% exactas.