APA (7th ed.) Citation

Silbert, J., Carnine, D., & Stein, M. (1981). Direct instruction mathematics. C.E. Merrill.

Chicago Style (17th ed.) Citation

Silbert, Jerry, Douglas Carnine, and Marcy Stein. Direct Instruction Mathematics. Columbus: C.E. Merrill, 1981.

MLA (9th ed.) Citation

Silbert, Jerry, et al. Direct Instruction Mathematics. C.E. Merrill, 1981.