APA (7th ed.) Citation

Coxford, A. F., & Shulte, A. P. (1988). The Ideas of algebra, K-12: 1988 yearbook. National Council of Teachers of Mathematics.

Chicago Style (17th ed.) Citation

Coxford, Arthur F., and Albert P. Shulte. The Ideas of Algebra, K-12: 1988 Yearbook. Reston, Va: National Council of Teachers of Mathematics, 1988.

MLA (9th ed.) Citation

Coxford, Arthur F., and Albert P. Shulte. The Ideas of Algebra, K-12: 1988 Yearbook. National Council of Teachers of Mathematics, 1988.