Gaya APA

Sobell, M, B. (2004). Journal of consulting and clinical psychology vol. 72 number 1 february 2004 . Washington,D.C.: American Psychologycal Association.

Gaya MLA

Sobell, Mark, B.. "Journal of consulting and clinical psychology vol. 72 number 1 february 2004". Washington,D.C.: American Psychologycal Association, 2004. Text.