Cita APA (7a ed.)

Hutchins, D. E., & Vaught, C. C. (1997). Helping relationships and strategies (3a ed.). Brooks/Cole Publishing Company.

Cita Chicago Style (17a ed.)

Hutchins, David E., y Claire Cole Vaught. Helping Relationships and Strategies. 3a ed. Pacific Grove (California): Brooks/Cole Publishing Company, 1997.

Cita MLA (9a ed.)

Hutchins, David E., y Claire Cole Vaught. Helping Relationships and Strategies. 3a ed. Brooks/Cole Publishing Company, 1997.