APA (7th ed.) Citation

Bett, H. (1929). The games of children: Their origin and history. Methuen.

Chicago Style (17th ed.) Citation

Bett, Henry. The Games of Children: Their Origin and History. London: Methuen, 1929.

MLA (9th ed.) Citation

Bett, Henry. The Games of Children: Their Origin and History. Methuen, 1929.