APA (7th ed.) Citation

Gladding, S. T. (1999). Group work: A counseling specialty (3rd ed.). Merrill.

Chicago Style (17th ed.) Citation

Gladding, Samuel T. Group Work: A Counseling Specialty. 3rd ed. Upper Saddle River, N.J: Merrill, 1999.

MLA (9th ed.) Citation

Gladding, Samuel T. Group Work: A Counseling Specialty. 3rd ed. Merrill, 1999.