Cita APA (7a ed.)

Freeman-Longo, R. E., & Knopp, F. H. (1992). State-of-the-art sex offender treatment: Outcome and issues. Annals of sex research, 5(3), 141-160.

Cita Chicago Style (17a ed.)

Freeman-Longo, Robert E., y Fay Honey Knopp. "State-of-the-art Sex Offender Treatment: Outcome and Issues." Annals of Sex Research 5, no. 3 (1992): 141-160.

Cita MLA (9a ed.)

Freeman-Longo, Robert E., y Fay Honey Knopp. "State-of-the-art Sex Offender Treatment: Outcome and Issues." Annals of Sex Research, vol. 5, no. 3, 1992, pp. 141-160.