APA

Kóhler W., . (1947). Gestalt psychology : on introduction to new concepts in modern psychology. New York: Mentor Book.

Chicago

Kóhler Wolfgang, . 1947. Gestalt psychology : on introduction to new concepts in modern psychology. New York: Mentor Book.

Harvard

Kóhler W., . (1947). Gestalt psychology : on introduction to new concepts in modern psychology. New York: Mentor Book.

MLA

Kóhler Wolfgang, . Gestalt psychology : on introduction to new concepts in modern psychology. New York: Mentor Book. 1947.