APA (7th ed.) Citation

Spitz, R. A., & Wolf, K. M. (1944). Grasping (Silent). Center for the History of Psychology.

Chicago Style (17th ed.) Citation

Spitz, René A., and Katherine M. Wolf. Grasping (Silent). Akron, OH: Center for the History of Psychology, 1944.

MLA (9th ed.) Citation

Spitz, René A., and Katherine M. Wolf. Grasping (Silent). Center for the History of Psychology, 1944.