APA (7th ed.) Citation

Willcutt, R. E., Fraze, P. R., & Gardella, F. J. (1986). Essentials for algebra: Concepts and skills (Teachers ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Willcutt, Robert E., Patricia R. Fraze, and Francis J. Gardella. Essentials for Algebra: Concepts and Skills. Teachers ed. Boston, Mass.: Houghton Mifflin, 1986.

MLA (9th ed.) Citation

Willcutt, Robert E., et al. Essentials for Algebra: Concepts and Skills. Teachers ed. Houghton Mifflin, 1986.