APA (7th ed.) Citation

Köhler, W. (1969). The task of Gestalt psychology. Princeton University Press.

Chicago Style (17th ed.) Citation

Köhler, Wolfgang. The Task of Gestalt Psychology. Princeton, N.J.: Princeton University Press, 1969.

MLA (9th ed.) Citation

Köhler, Wolfgang. The Task of Gestalt Psychology. Princeton University Press, 1969.