APA (7. basım) Alıntı

Helson, H., & Bevan, W. (1967). Contemporary approaches to psychology. Van Nostrand.

Chicago Style (17. basım) Atıf

Helson, Harry, ve William Bevan. Contemporary Approaches to Psychology. Princeton, N.J: Van Nostrand, 1967.

MLA (9th ed.) Atıf

Helson, Harry, ve William Bevan. Contemporary Approaches to Psychology. Van Nostrand, 1967.