Fundamentals of social psychology

MLA

Hartley, Eugene L. and Ruth E. Hartley. Fundamentals of social psychology. [First edition]. New York : Knopf, 1952.

APA

Hartley, E. & Hartley, R. (1952). Fundamentals of social psychology. [First edition]. New York : Knopf.

Chicago

Hartley, Eugene L. and Ruth E. Hartley. Fundamentals of social psychology. [First edition]. New York : Knopf, 1952.