APA (7th ed.) Citation

Lewin, K., Heider, F., & Heider, G. M. (1969). Principles of topological psychology (repr. ed.). McGraw-Hill Book Company.

Chicago Style (17th ed.) Citation

Lewin, Kurt, Fritz Heider, and Grace Moore Heider. Principles of Topological Psychology. repr. ed. New York: McGraw-Hill Book Company, 1969.

MLA (8th ed.) Citation

Lewin, Kurt, et al. Principles of Topological Psychology. repr. ed. McGraw-Hill Book Company, 1969.