Citazione Stile APA (7a Edizione)
Bishop, R. (2009). When play was play: Why pick-up games matter. Excelsior Editions/State University of New York Press.
Citazione stile Chigago Style (17a edizione)
Bishop, Ronald. When Play Was Play: Why Pick-up Games Matter. Albany: Excelsior Editions/State University of New York Press, 2009.
Citatione MLA (9a ed.)
Bishop, Ronald. When Play Was Play: Why Pick-up Games Matter. Excelsior Editions/State University of New York Press, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.