Cita APA (7a ed.)

Dufwenberg, M., & Swarthout, T. (2009). Play to Learn? An Experiment.

Cita Chicago Style (17a ed.)

Dufwenberg, Martin, y Todd Swarthout. Play to Learn? An Experiment. 2009.

Cita MLA (9a ed.)

Dufwenberg, Martin, y Todd Swarthout. Play to Learn? An Experiment. 2009.