APA (7th ed.) Citation

Hughes, M. 1. M. 1. (1986). Children and number: Difficulties in learning mathematics. B. Blackwell.

Chicago Style (17th ed.) Citation

Hughes, Martin 1949 May 15-. Children and Number: Difficulties in Learning Mathematics. Oxford [Oxfordshire], UK, New York, NY, USA: B. Blackwell, 1986.

MLA (9th ed.) Citation

Hughes, Martin 1949 May 15-. Children and Number: Difficulties in Learning Mathematics. B. Blackwell, 1986.