Cita APA (7a ed.)

Polk, K., & Kobrin, S. (1972). Delinquency prevention through youth development. DHEW publication / SRS.

Cita Chicago Style (17a ed.)

Polk, Kenneth, y Solomon Kobrin. "Delinquency Prevention Through Youth Development." DHEW Publication / SRS 1972.

Cita MLA (9a ed.)

Polk, Kenneth, y Solomon Kobrin. "Delinquency Prevention Through Youth Development." DHEW Publication / SRS, 1972.