APA (7th ed.) Citation

Redl, F. (1959). Pre-adolescents: What makes them tick? (Revised edition.). Child Study Association of America.

Chicago Style (17th ed.) Citation

Redl, Fritz. Pre-adolescents: What Makes Them Tick? Revised edition. New York: Child Study Association of America, 1959.

MLA (8th ed.) Citation

Redl, Fritz. Pre-adolescents: What Makes Them Tick? Revised edition. Child Study Association of America, 1959.