APA (7th ed.) Citation

Posamentier, A. S., & Schulz, W. (1996). The art of problem solving: A resource for the mathematics teacher. Corwin Press.

Chicago Style (17th ed.) Citation

Posamentier, Alfred S., and Wolfgang Schulz. The Art of Problem Solving: A Resource for the Mathematics Teacher. Thousand Oaks, California: Corwin Press, 1996.

MLA (9th ed.) Citation

Posamentier, Alfred S., and Wolfgang Schulz. The Art of Problem Solving: A Resource for the Mathematics Teacher. Corwin Press, 1996.