APA (7th ed.) Citation

Duncan, E. R., Quast, W. G., & Lenchner, G. (1985). Houghton Mifflin mathematics. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Duncan, Ernest R., W. G. Quast, and George Lenchner. Houghton Mifflin Mathematics. Boston: Houghton Mifflin, 1985.

MLA (9th ed.) Citation

Duncan, Ernest R., et al. Houghton Mifflin Mathematics. Houghton Mifflin, 1985.