APA (7th ed.) Citation

Opie, I. A., & Opie, P. (1960). The lore and language of schoolchildren. Clarendon Press.

Chicago Style (17th ed.) Citation

Opie, Iona Archibald, and Peter Opie. The Lore and Language of Schoolchildren. Oxford: Clarendon Press, 1960.

MLA (9th ed.) Citation

Opie, Iona Archibald, and Peter Opie. The Lore and Language of Schoolchildren. Clarendon Press, 1960.