APA (7th ed.) Citation

Bolster, L. C., & Bolster, L. C. a. (1991). Exploring Mathematics: Grade 7. Scott, Foresman.

Chicago Style (17th ed.) Citation

Bolster, L. Carey, and L. Carey.....(et al.) Bolster. Exploring Mathematics: Grade 7. New Jersey: Scott, Foresman, 1991.

MLA (9th ed.) Citation

Bolster, L. Carey, and L. Carey.....(et al.) Bolster. Exploring Mathematics: Grade 7. Scott, Foresman, 1991.