APA (7th ed.) Citation

Beaumont, V., Curtis, R., & Smart, J. R. (1986). How to-- teach perimeter, area, and volume. National Council of Teachers of Mathematics.

Chicago Style (17th ed.) Citation

Beaumont, Verne, Roberta Curtis, and James R. Smart. How to-- Teach Perimeter, Area, and Volume. Reston, Va.: National Council of Teachers of Mathematics, 1986.

MLA (9th ed.) Citation

Beaumont, Verne, et al. How to-- Teach Perimeter, Area, and Volume. National Council of Teachers of Mathematics, 1986.