APA (7th ed.) Citation

Helson, H. 1. . e., Bevan, W., & Adams, J. A. (1967). Contemporary approaches to psychology. Van Nostrand.

Chicago Style (17th ed.) Citation

Helson, Harry 1898- ed, William Bevan, and Jack A. Adams. Contemporary Approaches to Psychology. Princeton, N.J: Van Nostrand, 1967.

MLA (9th ed.) Citation

Helson, Harry 1898- ed, et al. Contemporary Approaches to Psychology. Van Nostrand, 1967.