APA aipamena

Gottfredson, R. M., & Hirschi Travis. (1987). Positive Criminology. Sage Publications.

Chicago Style aipamena

Gottfredson, R. Michael, and Hirschi Travis. Positive Criminology. Newbury Park: Sage Publications, 1987.

MLA aipamena

Gottfredson, R. Michael, and Hirschi Travis. Positive Criminology. Sage Publications, 1987.