APA (7th ed.) Citation

Langfeld, H. S., Weld, H. P., & Boring, E. G. (1939). Introduction to psychology. J. Wiley and Sons ; Chapman and Hall.

Chicago Style (17th ed.) Citation

Langfeld, Herbert Sidney, Harry Porter Weld, and Edwin Garrigues Boring. Introduction to Psychology. New York : London: J. Wiley and Sons ; Chapman and Hall, 1939.

MLA (9th ed.) Citation

Langfeld, Herbert Sidney, et al. Introduction to Psychology. J. Wiley and Sons ; Chapman and Hall, 1939.