APA (7th ed.) Citation

Houghton Mifflin Company. (2005). The American heritage guide to contemporary usage and style. Houghton Mifflin Co..

Chicago Style (17th ed.) Citation

Houghton Mifflin Company. The American Heritage Guide to Contemporary Usage and Style. Boston: Houghton Mifflin Co., 2005.

MLA (9th ed.) Citation

Houghton Mifflin Company. The American Heritage Guide to Contemporary Usage and Style. Houghton Mifflin Co., 2005.

Warning: These citations may not always be 100% accurate.