Are you sure? : learning about proof

MLA

French, Doug, and Charlie Stripp. Are You Sure? : Learning About Proof. 3 ed. Leicester: Mathematical Association, 2005.

APA

French, D., & Stripp, C. (2005). Are you sure? : learning about proof. 3 ed. Leicester: Mathematical Association.

Chicago

French, Doug, Are You Sure?: Learning about Proof. Edited by Charlie Stripp. 3 ed. Leicester: Mathematical Association, 2005.