Cita APA (7a ed.)

Opie, I., & Opie, P. (1967). The Lore and Language of Schoolchildren. Clarendon Press.

Cita Chicago Style (17a ed.)

Opie, Iona, y Peter Opie. The Lore and Language of Schoolchildren. Oxford: Clarendon Press, 1967.

Cita MLA (9a ed.)

Opie, Iona, y Peter Opie. The Lore and Language of Schoolchildren. Clarendon Press, 1967.