APA (7th ed.) Citation

Billstein, R., Liberskind, S., & Lott, J. W. (1993). A Problem solving approach to mathematics for elementary school teachers (5th ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Billstein, Rick, Shlomo Liberskind, and Johnny W. Lott. A Problem Solving Approach to Mathematics for Elementary School Teachers. 5th ed. Reading, Mass: Addison-Wesley, 1993.

MLA (9th ed.) Citation

Billstein, Rick, et al. A Problem Solving Approach to Mathematics for Elementary School Teachers. 5th ed. Addison-Wesley, 1993.