Cita APA (7th ed.)

Gladding, S. T. (2008). Groups: A counseling specialty (5th ed.). Pearson/Merrill/Prentice Hall.

Cita Chicago (17th ed.)

Gladding, Samuel T. Groups: A Counseling Specialty. 5th ed. Upper Saddle River, N.J: Pearson/Merrill/Prentice Hall, 2008.

Cita MLA (9th ed.)

Gladding, Samuel T. Groups: A Counseling Specialty. 5th ed. Pearson/Merrill/Prentice Hall, 2008.