APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

National Council of Teachers of Mathematics, et al. The Ideas of Algebra, K-12: 1988 Yearbook. NCTM, 1988.