Cita APA (7a ed.)

Mortensen, D. G., & Schmuller, A. M. (1976). Guidance in today's schools (3a ed.). Wiley.

Cita Chicago Style (17a ed.)

Mortensen, Donald G., y Allen M. Schmuller. Guidance in Today's Schools. 3a ed. New York: Wiley, 1976.

Cita MLA (9a ed.)

Mortensen, Donald G., y Allen M. Schmuller. Guidance in Today's Schools. 3a ed. Wiley, 1976.