APA (7th ed.) Citation

Seashore, C. E. (1939). Elementary experiments in psychology (Rev. and enl.). Holt.

Chicago Style (17th ed.) Citation

Seashore, Carl E. Elementary Experiments in Psychology. Rev. and enl. New York: Holt, 1939.

MLA (9th ed.) Citation

Seashore, Carl E. Elementary Experiments in Psychology. Rev. and enl. Holt, 1939.