APA (7th ed.) Citation

Egan, G. (1990). The skilled helper: A systematic approach to effective helping (4th ed.). Brooks/Cole Publishing Comp.

Chicago Style (17th ed.) Citation

Egan, Gerard. The Skilled Helper: A Systematic Approach to Effective Helping. 4th ed. Pacific Grove, California: Brooks/Cole Publishing Comp, 1990.

MLA (9th ed.) Citation

Egan, Gerard. The Skilled Helper: A Systematic Approach to Effective Helping. 4th ed. Brooks/Cole Publishing Comp, 1990.