Citazione Stile APA (7a Edizione)

Köhler, W. (1938). The place of value in a world of facts: By Wolfgang Köhler. Liveright Publ..

Citazione stile Chigago Style (17a edizione)

Köhler, Wolfgang. The Place of Value in a World of Facts: By Wolfgang Köhler. New York: Liveright Publ., 1938.

Citatione MLA (8a ed.)

Köhler, Wolfgang. The Place of Value in a World of Facts: By Wolfgang Köhler. Liveright Publ., 1938.