APA (7th ed.) Citation

Castle, E. B. (1961). Ancient education and today. Penguin Books.

Chicago Style (17th ed.) Citation

Castle, E. B. Ancient Education and Today. Middlesex: Penguin Books, 1961.

MLA (8th ed.) Citation

Castle, E. B. Ancient Education and Today. Penguin Books, 1961.

Warning: These citations may not always be 100% accurate.