Cita APA (7th ed.)

Williamson, E. G. (1965). Vocational counseling: Some historical, philosophical, and theoretical perspectives. McGraw-Hill.

Cita Chicago (17th ed.)

Williamson, Edmund Griffith. Vocational Counseling: Some Historical, Philosophical, and Theoretical Perspectives. New York: McGraw-Hill, 1965.

Cita MLA (8th ed.)

Williamson, Edmund Griffith. Vocational Counseling: Some Historical, Philosophical, and Theoretical Perspectives. McGraw-Hill, 1965.