Opie, I., & Opie, P. (1970). Children's games in street and playground: Chasing, catching, seeking, hunting, racing, duelling, exerting, daring, guessing, acting, pretending (Reprinted, with corrections.). Clarendon Press.
Chicago-Zitierstil (17. Ausg.)Opie, Iona, und Peter Opie. Children's Games in Street and Playground: Chasing, Catching, Seeking, Hunting, Racing, Duelling, Exerting, Daring, Guessing, Acting, Pretending. Reprinted, with corrections. Oxford: Clarendon Press, 1970.
MLA-Zitierstil (9. Ausg.)Opie, Iona, und Peter Opie. Children's Games in Street and Playground: Chasing, Catching, Seeking, Hunting, Racing, Duelling, Exerting, Daring, Guessing, Acting, Pretending. Reprinted, with corrections. Clarendon Press, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.