APA (7th ed.) Citation

Egan, G. (1986). The skilled helper: A problem-management approach to helping (3rd ed.). Brooks/Cole.

Chicago Style (17th ed.) Citation

Egan, Gerard. The Skilled Helper: A Problem-management Approach to Helping. 3rd ed. Monteres, Calif: Brooks/Cole, 1986.

MLA (9th ed.) Citation

Egan, Gerard. The Skilled Helper: A Problem-management Approach to Helping. 3rd ed. Brooks/Cole, 1986.