Cita APA (7a ed.)

Snow, R., Choukroun, J., & Ackoff, R. L. (1992). Planning for Human Systems: Essays in Honor of Russell L. Ackoff. Distributed by University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Snow, Roberta, Jean-Marc Choukroun, y Russell Lincoln Ackoff. Planning for Human Systems: Essays in Honor of Russell L. Ackoff. Philadelphia: Distributed by University of Pennsylvania Press, 1992.

Cita MLA (8a ed.)

Snow, Roberta, et al. Planning for Human Systems: Essays in Honor of Russell L. Ackoff. Distributed by University of Pennsylvania Press, 1992.