Cita APA (7a ed.)

Egan, G., & McGourty, R. (2002). Exercises in helping skills: A manual to accompany The skilled helper (7th ed.). Brooks/Cole.

Cita Chicago Style (17a ed.)

Egan, Gerard, y Rich McGourty. Exercises in Helping Skills: A Manual to Accompany The Skilled Helper. 7th ed. Belmont, CA [etc.]: Brooks/Cole, 2002.

Cita MLA (9a ed.)

Egan, Gerard, y Rich McGourty. Exercises in Helping Skills: A Manual to Accompany The Skilled Helper. 7th ed. Brooks/Cole, 2002.