APA (7th ed.) Citation

Campbell, S. R., & Zazkis, R. (2002). Learning and teaching number theory: Research in cognition and instruction. Ablex Pub..

Chicago Style (17th ed.) Citation

Campbell, Stephen R., and Rina Zazkis. Learning and Teaching Number Theory: Research in Cognition and Instruction. Westport, Conn.: Ablex Pub., 2002.

MLA (8th ed.) Citation

Campbell, Stephen R., and Rina Zazkis. Learning and Teaching Number Theory: Research in Cognition and Instruction. Ablex Pub., 2002.