APA

Mortensen D. G., Schmuller A. M., . (1976). Guidance in today's schools. New York: Wiley.

Chicago

Mortensen Donald G, Schmuller Allen M, . 1976. Guidance in today's schools. New York: Wiley.

Harvard

Mortensen D. G., Schmuller A. M., . (1976). Guidance in today's schools. New York: Wiley.

MLA

Mortensen Donald G, Schmuller Allen M, . Guidance in today's schools. New York: Wiley. 1976.