Cita APA (7a ed.)

Polk, K., & Ruby, C. H. (1979). Respondent Loss in the Longitudinal Study of Deviant Behavior. National Council on Crime and Delinquency.

Cita Chicago Style (17a ed.)

Polk, Kenneth, y Cheryl H. Ruby. Respondent Loss in the Longitudinal Study of Deviant Behavior. [Erscheinungsort nicht ermittelbar]: National Council on Crime and Delinquency, 1979.

Cita MLA (9a ed.)

Polk, Kenneth, y Cheryl H. Ruby. Respondent Loss in the Longitudinal Study of Deviant Behavior. National Council on Crime and Delinquency, 1979.