APA (7th ed.) Citation

Billstein, R. (1987). A problem solving approach to mathematics for elementary school teachers (3rd ed.). Benjamin/Cummings.

Chicago Style (17th ed.) Citation

Billstein, Rick. A Problem Solving Approach to Mathematics for Elementary School Teachers. 3rd ed. Menlo Park, Calif: Benjamin/Cummings, 1987.

MLA (9th ed.) Citation

Billstein, Rick. A Problem Solving Approach to Mathematics for Elementary School Teachers. 3rd ed. Benjamin/Cummings, 1987.