Citazione Stile APA (7a Edizione)

Herr, E. L., & Cramer, S. H. (1992). Career guidance and counseling through the life span: Systematic approaches (4th ed.). Harper Collins.

Citazione stile Chigago Style (17a edizione)

Herr, Edwin L., e Stanley H. Cramer. Career Guidance and Counseling Through the Life Span: Systematic Approaches. 4th ed. New York: Harper Collins, 1992.

Citatione MLA (9a ed.)

Herr, Edwin L., e Stanley H. Cramer. Career Guidance and Counseling Through the Life Span: Systematic Approaches. 4th ed. Harper Collins, 1992.