Cita APA (7a ed.)

Burkhardt, W. R. (1974). The application of opportunity theory to delinquency prevention. Univ. Microfilms.

Cita Chicago Style (17a ed.)

Burkhardt, William Ross. The Application of Opportunity Theory to Delinquency Prevention. Ann Arbor, Mich: Univ. Microfilms, 1974.

Cita MLA (9a ed.)

Burkhardt, William Ross. The Application of Opportunity Theory to Delinquency Prevention. Univ. Microfilms, 1974.