APA (7th ed.) Citation

Leeper, R. W. (1949). Lewin's topological and vector psychology: A digest and critique. University of Oregon.

Chicago Style (17th ed.) Citation

Leeper, Robert W. Lewin's Topological and Vector Psychology: A Digest and Critique. Eugene, Or.: University of Oregon, 1949.

MLA (9th ed.) Citation

Leeper, Robert W. Lewin's Topological and Vector Psychology: A Digest and Critique. University of Oregon, 1949.