APA (7th ed.) Citation

National Council of Teachers of Mathematics, Silvey, L., & Smart, J. R. (1982). Mathematics for the middle grades (5-9). National Council of Teachers of Mathematics.

Chicago Style (17th ed.) Citation

National Council of Teachers of Mathematics, Linda Silvey, and James R. Smart. Mathematics for the Middle Grades (5-9). Reston, Va.: National Council of Teachers of Mathematics, 1982.

MLA (9th ed.) Citation

National Council of Teachers of Mathematics, et al. Mathematics for the Middle Grades (5-9). National Council of Teachers of Mathematics, 1982.