APA (7th ed.) Citation

Friedman, W. H. (1994). How to do groups (2nd ed.). J. Aronson.

Chicago Style (17th ed.) Citation

Friedman, William H. How to Do Groups. 2nd ed. Northvale, N.J: J. Aronson, 1994.

MLA (9th ed.) Citation

Friedman, William H. How to Do Groups. 2nd ed. J. Aronson, 1994.