APA (7th ed.) Citation

Kline, M. (1973). Why Johnny can't add: The failure of the new math. St. Martin's Press.

Chicago Style (17th ed.) Citation

Kline, Morris. Why Johnny Can't Add: The Failure of the New Math. New York: St. Martin's Press, 1973.

MLA (8th ed.) Citation

Kline, Morris. Why Johnny Can't Add: The Failure of the New Math. St. Martin's Press, 1973.

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