APA

Spergel I. A., Sosa R. V., Wa K. M., University of Chicago & United States. (2004). Evaluation of the Tucson comprehensive community-wide approach to Gang Prevention, Intervention and Suppression Program. Chicago, Illinois: School of Social Service Administration, University of Chicago.

Chicago

Spergel Irving A, Sosa Rolando Villarreal, Wa Kwai Ming, University of Chicago and United States. 2004. Evaluation of the Tucson comprehensive community-wide approach to Gang Prevention, Intervention and Suppression Program. Chicago, Illinois: School of Social Service Administration, University of Chicago.

Harvard

Spergel I. A., Sosa R. V., Wa K. M., University of Chicago and United States. (2004). Evaluation of the Tucson comprehensive community-wide approach to Gang Prevention, Intervention and Suppression Program. Chicago, Illinois: School of Social Service Administration, University of Chicago.

MLA

Spergel Irving A, Sosa Rolando Villarreal, Wa Kwai Ming, University of Chicago and United States. Evaluation of the Tucson comprehensive community-wide approach to Gang Prevention, Intervention and Suppression Program. Chicago, Illinois: School of Social Service Administration, University of Chicago. 2004.