Cita APA (7th ed.)

Herr, E. L. (1979). Career guidance through the life span: Systematic approaches. Little, Brown and Co..

Cita Chicago (17th ed.)

Herr, Edwin L. Career Guidance Through the Life Span: Systematic Approaches. Boston: Little, Brown and Co., 1979.

Cita MLA (9th ed.)

Herr, Edwin L. Career Guidance Through the Life Span: Systematic Approaches. Little, Brown and Co., 1979.