Cita APA (7a ed.)

Hawkins, J. D. (1991). Effects of a skills training intervention with juvenile delinquents. [s.n.].

Cita Chicago Style (17a ed.)

Hawkins, J. David. Effects of a Skills Training Intervention with Juvenile Delinquents. [S.l.]: [s.n.], 1991.

Cita MLA (9a ed.)

Hawkins, J. David. Effects of a Skills Training Intervention with Juvenile Delinquents. [s.n.], 1991.