Cita APA (7a ed.)

Friman, P. C. (1997). Decreasing disruptive behavior by adolescent boys in residential care by increasing their positive to negative interactional ratios. [s.n.].

Cita Chicago Style (17a ed.)

Friman, Patrick C. Decreasing Disruptive Behavior by Adolescent Boys in Residential Care by Increasing Their Positive to Negative Interactional Ratios. [S.l.]: [s.n.], 1997.

Cita MLA (9a ed.)

Friman, Patrick C. Decreasing Disruptive Behavior by Adolescent Boys in Residential Care by Increasing Their Positive to Negative Interactional Ratios. [s.n.], 1997.