APA (7th ed.) Citation

Billstein, Libeskind, & Lott. (1990). A problem solving approach to mathematics for elementary school teachers (4th ed.). Benjamin/Cummings Pubs.

Chicago Style (17th ed.) Citation

Billstein, Libeskind, and Lott. A Problem Solving Approach to Mathematics for Elementary School Teachers. 4th ed. Redwood City: Benjamin/Cummings Pubs, 1990.

MLA (8th ed.) Citation

Billstein, et al. A Problem Solving Approach to Mathematics for Elementary School Teachers. 4th ed. Benjamin/Cummings Pubs, 1990.