Gestalt psychology : an introduction to new concepts in modern psychology

MLA

Köhler, Wolfgang. Gestalt Psychology : an Introduction to New Concepts In Modern Psychology. New York: The new American library, 1959.

APA

Köhler, W. (1959). Gestalt psychology : an introduction to new concepts in modern psychology. New York: The new American library.

Chicago

Köhler, Wolfgang, Gestalt Psychology: An Introduction to New Concepts In Modern Psychology. New York: The new American library, 1959.