Cita APA
Opie, I. A. (1993). The people in the playground. Oxford University Press.
Citación estilo Chicago
Opie, Iona Archibald. The People in the Playground. Oxford ; New York: Oxford University Press, 1993.
Cita MLA
Opie, Iona Archibald. The People in the Playground. Oxford University Press, 1993.
Warning: These citations may not always be 100% accurate.