APA

Zahn M. A., United States, . (2008). The girls study group: charting the way to delinquency prevention for girls. [Washington, D.C.]: U.S. Dept. of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention.

Chicago

Zahn Margaret A, United States, . 2008. The girls study group: charting the way to delinquency prevention for girls. [Washington, D.C.]: U.S. Dept. of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention.

Harvard

Zahn M. A., United States, . (2008). The girls study group: charting the way to delinquency prevention for girls. [Washington, D.C.]: U.S. Dept. of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention.

MLA

Zahn Margaret A, United States, . The girls study group: charting the way to delinquency prevention for girls. [Washington, D.C.]: U.S. Dept. of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention. 2008.