Wertheimer, M., Spillmann, L., & Wertheimer, M. (2012). On perceived motion and figural organization. MIT Press.

Wertheimer, Max, Lothar Spillmann, and Michael Wertheimer. On Perceived Motion and Figural Organization. Cambridge, Mass.: MIT Press, 2012.

Wertheimer, Max, et al. On Perceived Motion and Figural Organization. MIT Press, 2012.