Cita APA (7a ed.)

Gottfredson, D. M., & Ballard, K. B. (1963). Association analysis in a prison sample and prediction of parole performance. NCCD Research Center.

Cita Chicago Style (17a ed.)

Gottfredson, Donald M., y Kelley B. Ballard. Association Analysis in a Prison Sample and Prediction of Parole Performance. Davis, Cal: NCCD Research Center, 1963.

Cita MLA (8a ed.)

Gottfredson, Donald M., y Kelley B. Ballard. Association Analysis in a Prison Sample and Prediction of Parole Performance. NCCD Research Center, 1963.