APA-Zitierstil (7. Ausg.)
Egan, G. (1982). Exercises in helping skills: A training manual to accompany the skilled helper (2nd ed.). Brooks/Cole.
Chicago-Zitierstil (17. Ausg.)
Egan, Gerard. Exercises in Helping Skills: A Training Manual to Accompany the Skilled Helper. 2nd ed. Monterey: Brooks/Cole, 1982.
MLA-Zitierstil (9. Ausg.)
Egan, Gerard. Exercises in Helping Skills: A Training Manual to Accompany the Skilled Helper. 2nd ed. Brooks/Cole, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.