APA Style

PROCHASKA, J, O., DiCLEMENTE, C, C. (1984). The Transtheoretical Approach: crosing traditional boundaries of therapy . Illinois: Dow Jones-Irwin.

MLA Style

PROCHASKA, JAMES, O.., DiCLEMENTE, CARLO, C.. "The Transtheoretical Approach: crosing traditional boundaries of therapy". Illinois: Dow Jones-Irwin, 1984. Text.