APA (7th ed.) Citation

Holt, J. C. (1991). How children learn. Penguin.

Chicago Style (17th ed.) Citation

Holt, John Caldwell. How Children Learn. London: Penguin, 1991.

MLA (8th ed.) Citation

Holt, John Caldwell. How Children Learn. Penguin, 1991.

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