Cita APA (7a ed.)

Book, W. F. (1932). Economy and technique of learning. D. C. Heath.

Cita Chicago Style (17a ed.)

Book, William Frederick. Economy and Technique of Learning. Boston: D. C. Heath, 1932.

Cita MLA (8a ed.)

Book, William Frederick. Economy and Technique of Learning. D. C. Heath, 1932.