APA Style
Egan, G. (1975).
The Skilled Helper.A Model For Systematic Helping And Interp .
U.S.A.:
Brooks/Cole Publishing Company Monterey.
MLA Style
Egan, Gerard.
"The Skilled Helper.A Model For Systematic Helping And Interp".
U.S.A.:
Brooks/Cole Publishing Company Monterey,
1975.
Book.