Opie, I., & Opie, P. (1969). Children's games in street and playground: Chasing, catching, seeking, hunting, racing, duelling, exerting, daring, guessing, acting, pretending. Oxford University Press.
Citação do estilo Chicago (17ª ed.)Opie, Iona, e Peter Opie. Children's Games in Street and Playground: Chasing, Catching, Seeking, Hunting, Racing, Duelling, Exerting, Daring, Guessing, Acting, Pretending. London: Oxford University Press, 1969.
Citação MLA (8ª ed.)Opie, Iona, e Peter Opie. Children's Games in Street and Playground: Chasing, Catching, Seeking, Hunting, Racing, Duelling, Exerting, Daring, Guessing, Acting, Pretending. Oxford University Press, 1969.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.