Cita APA (7a ed.)

Freeman, R. B. (1991). Crime and the employment of disadvantaged youths. Working paper.

Cita Chicago Style (17a ed.)

Freeman, Richard B. "Crime and the Employment of Disadvantaged Youths." Working Paper 1991.

Cita MLA (8a ed.)

Freeman, Richard B. "Crime and the Employment of Disadvantaged Youths." Working Paper, 1991.