APA-Zitierstil (7. Ausg.)

Gustafson, J. P. (1995). Brief versus long psychotherapy: When, why, and how. Aronson.

Chicago-Zitierstil (17. Ausg.)

Gustafson, James P. Brief Versus Long Psychotherapy: When, Why, and How. Northvale, NJ [u.a.]: Aronson, 1995.

MLA-Zitierstil (9. Ausg.)

Gustafson, James P. Brief Versus Long Psychotherapy: When, Why, and How. Aronson, 1995.