APA (7th ed.) Citation

Lefever, D. W. (1950). Principles and techniques of guidance. Ronald Press.

Chicago Style (17th ed.) Citation

Lefever, David Welty. Principles and Techniques of Guidance. New York: Ronald Press, 1950.

MLA (9th ed.) Citation

Lefever, David Welty. Principles and Techniques of Guidance. Ronald Press, 1950.