APA (7th ed.) Citation

(2009). Teaching and learning proof across the grades: A K - 16 perspective. Routledge.

Chicago Style (17th ed.) Citation

Teaching and Learning Proof Across the Grades: A K - 16 Perspective. New York [u.a.]: Routledge, 2009.

MLA (9th ed.) Citation

Teaching and Learning Proof Across the Grades: A K - 16 Perspective. Routledge, 2009.