APA (7th ed.) Citation

Billstein, R., Libeskind, S., & Lott, J. W. (2007). A problem solving approach to mathematics for elementary school teachers (9th ed.). Pearson Education,Inc.

Chicago Style (17th ed.) Citation

Billstein, Rick, Shlomo Libeskind, and Johny W. Lott. A Problem Solving Approach to Mathematics for Elementary School Teachers. 9th ed. Boston: Pearson Education,Inc, 2007.

MLA (8th ed.) Citation

Billstein, Rick, et al. A Problem Solving Approach to Mathematics for Elementary School Teachers. 9th ed. Pearson Education,Inc, 2007.