APA (7th ed.) Citation

Koffka, K. (1935). Principles of Gestalt psychology. Harcourt, Brace.

Chicago Style (17th ed.) Citation

Koffka, Kurt. Principles of Gestalt Psychology. New York: Harcourt, Brace, 1935.

MLA (9th ed.) Citation

Koffka, Kurt. Principles of Gestalt Psychology. Harcourt, Brace, 1935.

Warning: These citations may not always be 100% accurate.