Cita APA (7a ed.)

Spergel, I. A. (1969). Community problem solving: The delinquency example. Univ. of Chicago Pr.

Cita Chicago Style (17a ed.)

Spergel, Irving A. Community Problem Solving: The Delinquency Example. Chicago [u.a.]: Univ. of Chicago Pr, 1969.

Cita MLA (9a ed.)

Spergel, Irving A. Community Problem Solving: The Delinquency Example. Univ. of Chicago Pr, 1969.