APA (7th ed.) Citation

Opie, I. A., & Opie, P. (2008). Children's games in street and playground. Floris Books.

Chicago Style (17th ed.) Citation

Opie, Iona Archibald, and Peter Opie. Children's Games in Street and Playground. Edinburgh, U.K: Floris Books, 2008.

MLA (9th ed.) Citation

Opie, Iona Archibald, and Peter Opie. Children's Games in Street and Playground. Floris Books, 2008.