APA (7th ed.) Citation

Karp, A., & Wasserman, N. (2014). Mathematics in middle and secondary school: A problem solving approach. Information Age Publishing, Inc..

Chicago Style (17th ed.) Citation

Karp, Alexander, and Nicholas Wasserman. Mathematics in Middle and Secondary School: A Problem Solving Approach. Charlotte, NC: Information Age Publishing, Inc., 2014.

MLA (8th ed.) Citation

Karp, Alexander, and Nicholas Wasserman. Mathematics in Middle and Secondary School: A Problem Solving Approach. Information Age Publishing, Inc., 2014.