APA (7th ed.) Citation

Hart, K. M. (1981). Children's understanding of mathematics, 11-16. John Murray.

Chicago Style (17th ed.) Citation

Hart, Kathleen M. Children's Understanding of Mathematics, 11-16. London: John Murray, 1981.

MLA (9th ed.) Citation

Hart, Kathleen M. Children's Understanding of Mathematics, 11-16. John Murray, 1981.

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