APA-referens (7:e uppl.)

Ragsdale, C. E. (1932). Modern psychologies and education. Macmillan.

Chicago-referens (17:e uppl.)

Ragsdale, Clarence Edwin. Modern Psychologies and Education. New York: Macmillan, 1932.

MLA-referens (8:e uppl.)

Ragsdale, Clarence Edwin. Modern Psychologies and Education. Macmillan, 1932.