Cita APA (7th ed.)

Opie, I., & Opie, P. (1967). The lore and language of schoolchildren. Oxford University Press.

Cita Chicago (17th ed.)

Opie, Iona, i Peter Opie. The Lore and Language of Schoolchildren. London: Oxford University Press, 1967.

Cita MLA (8th ed.)

Opie, Iona, i Peter Opie. The Lore and Language of Schoolchildren. Oxford University Press, 1967.