Cita APA (7a ed.)
Mortensen, D. G., & Schmuller, A. M. (1966). Guidance in today's schools (2nd ed.). Wiley.
Cita Chicago Style (17a ed.)
Mortensen, Donald G., y Allen M. Schmuller. Guidance in Today's Schools. 2nd ed. New York: Wiley, 1966.
Cita MLA (9a ed.)
Mortensen, Donald G., y Allen M. Schmuller. Guidance in Today's Schools. 2nd ed. Wiley, 1966.
Precaución: Estas citas no son 100% exactas.