APA (7th ed.) Citation

Posamentier, A. S. (2009). Problem solving in mathematics, grades 3-6: Powerful strategies to deepen understanding. Corwin.

Chicago Style (17th ed.) Citation

Posamentier, Alfred S. Problem Solving in Mathematics, Grades 3-6: Powerful Strategies to Deepen Understanding. Thousand Oaks, Calif: Corwin, 2009.

MLA (9th ed.) Citation

Posamentier, Alfred S. Problem Solving in Mathematics, Grades 3-6: Powerful Strategies to Deepen Understanding. Corwin, 2009.