Cita APA

North, R. D., & Traxler, A. E. Tecniques of Guidance. Arthur E. Guidance. New York, U.S.A: Harper & Row Publishers, 1957.

Citación estilo Chicago

North, Robert D., y Arthur E. Traxler. Tecniques of Guidance. Arthur E. Guidance. New York, U.S.A: Harper & Row Publishers, 1957.

Cita MLA

North, Robert D., y Arthur E. Traxler. Tecniques of Guidance. Arthur E. Guidance. New York, U.S.A: Harper & Row Publishers, 1957.