Παραπομπή APA

Cloward, R. A., & Ohlin, L. E. (1961). Delinquency and opportunity: A theory of delinquent gangs. Glencoe, IL: The Free Press of Glencoe.

Παραπομπή Chicago Style

Cloward, Richard A., and Lloyd E. Ohlin. Delinquency and Opportunity: A Theory of Delinquent Gangs. Glencoe, IL: The Free Press of Glencoe, 1961.

Παραπομπή MLA

Cloward, Richard A., and Lloyd E. Ohlin. Delinquency and Opportunity: A Theory of Delinquent Gangs. Glencoe, IL: The Free Press of Glencoe, 1961.

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