APA (7th ed.) Citation

Koffka, K. (1921). Psychologische Forschung. Julius Springer.

Chicago Style (17th ed.) Citation

Koffka, Kurt. Psychologische Forschung. Berlin: Julius Springer, 1921.

MLA (9th ed.) Citation

Koffka, Kurt. Psychologische Forschung. Julius Springer, 1921.

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