APA (7th ed.) Citation

Mortensen, D. G. (1959). Guidance in today's schools (2nd ed.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Mortensen, Donald G. Guidance in Today's Schools. 2nd ed. New York: John Wiley & Sons, 1959.

MLA (9th ed.) Citation

Mortensen, Donald G. Guidance in Today's Schools. 2nd ed. John Wiley & Sons, 1959.