APA (7th ed.) Citation

Gnagey, W. J. (1968). The psychology of discipline in the classroom (1. printing.). Macmillan [u.a.].

Chicago Style (17th ed.) Citation

Gnagey, William J. The Psychology of Discipline in the Classroom. 1. printing. New York: Macmillan [u.a.], 1968.

MLA (9th ed.) Citation

Gnagey, William J. The Psychology of Discipline in the Classroom. 1. printing. Macmillan [u.a.], 1968.