Principles of topological psychology

MLA

Lewin, Kurt, Fritz Heider, and Grace Heider. Principles of Topological Psychology. First edition, sixth impression New York and London: McGraw-Hill, 1936.

APA

Lewin, K., Heider, F., & Heider, G. (1936). Principles of topological psychology. First edition, sixth impression New York and London: McGraw-Hill.

Chicago

Lewin, Kurt, Principles of Topological Psychology. Translated by Fritz Heider and Grace Heider. First edition, sixth impression New York and London: McGraw-Hill, 1936.