Cita APA (7a ed.)

Gilbertson, D. L. (2002). What have they told us about gangs?: A content analysis of twentieth century texts on U.S. gangs.

Cita Chicago Style (17a ed.)

Gilbertson, Douglas Lee. What Have They Told Us About Gangs?: A Content Analysis of Twentieth Century Texts on U.S. Gangs. 2002.

Cita MLA (8a ed.)

Gilbertson, Douglas Lee. What Have They Told Us About Gangs?: A Content Analysis of Twentieth Century Texts on U.S. Gangs. 2002.