APA (7th ed.) Citation

Pyle, W. H. (1921). The psychology of learning: An advanced text in educational psychology (2. impression.). Warwick & York.

Chicago Style (17th ed.) Citation

Pyle, William Henry. The Psychology of Learning: An Advanced Text in Educational Psychology. 2. impression. Baltimore: Warwick & York, 1921.

MLA (9th ed.) Citation

Pyle, William Henry. The Psychology of Learning: An Advanced Text in Educational Psychology. 2. impression. Warwick & York, 1921.