APA

Hilgard E. R., . (1967). Introduction to psychology. New York: Harcourt, Brace & World.

Chicago

Hilgard Ernest Ropiequet, . 1967. Introduction to psychology. New York: Harcourt, Brace & World.

Harvard

Hilgard E. R., . (1967). Introduction to psychology. New York: Harcourt, Brace & World.

MLA

Hilgard Ernest Ropiequet, . Introduction to psychology. New York: Harcourt, Brace & World. 1967.