Cita APA (7a ed.)

Waisberg, J. L., & Porter, J. E. (1994). Purpose in Life and Outcome of Treatment for Alcohol Dependence. British journal of clinical psychology, 33(1), 49-63.

Cita Chicago Style (17a ed.)

Waisberg, J. L., y J. E. Porter. "Purpose in Life and Outcome of Treatment for Alcohol Dependence." British Journal of Clinical Psychology 33, no. 1 (1994): 49-63.

Cita MLA (9a ed.)

Waisberg, J. L., y J. E. Porter. "Purpose in Life and Outcome of Treatment for Alcohol Dependence." British Journal of Clinical Psychology, vol. 33, no. 1, 1994, pp. 49-63.