Cita APA (7a ed.)

Gottfredson, M. R., & Hirschi, T. (1987). The positive tradition. Positive criminology, 9-22.

Cita Chicago Style (17a ed.)

Gottfredson, Michael R., y Travis Hirschi. "The Positive Tradition." Positive Criminology 1987: 9-22.

Cita MLA (8a ed.)

Gottfredson, Michael R., y Travis Hirschi. "The Positive Tradition." Positive Criminology, 1987, pp. 9-22.