Allers, R., Batthyany, A., Olaechea Catter, J., & Tallon, A. (2009). Work and play: Collected papers on the philosophy of psychology (1939-1962). Marquette University Press.

Allers, Rudolf, Alexander Batthyany, Jorge Olaechea Catter, and Andrew Tallon. Work and Play: Collected Papers on the Philosophy of Psychology (1939-1962). Milwaukee, Wis.: Marquette University Press, 2009.

Allers, Rudolf, et al. Work and Play: Collected Papers on the Philosophy of Psychology (1939-1962). Marquette University Press, 2009.