APA (7th ed.) Citation

Festinger, L. (1957). A theory of cognitive dissonance. Stanford University.

Chicago Style (17th ed.) Citation

Festinger, Leon. A Theory of Cognitive Dissonance. Stanford, CA: Stanford University, 1957.

MLA (9th ed.) Citation

Festinger, Leon. A Theory of Cognitive Dissonance. Stanford University, 1957.