Cita APA (7a ed.)

Ruble, N., & Turner, W. (2000). A systemic analysis of the dynamics and organization of urban street gangs. The American journal of family therapy, 28(2), 117-132.

Cita Chicago Style (17a ed.)

Ruble, NM, y WL Turner. "A Systemic Analysis of the Dynamics and Organization of Urban Street Gangs." The American Journal of Family Therapy 28, no. 2 (2000): 117-132.

Cita MLA (8a ed.)

Ruble, NM, y WL Turner. "A Systemic Analysis of the Dynamics and Organization of Urban Street Gangs." The American Journal of Family Therapy, vol. 28, no. 2, 2000, pp. 117-132.