APA (7th ed.) Citation

Houghton Mifflin Company. (1997). The American Heritage College Dictionary. The Author.

Chicago Style (17th ed.) Citation

Houghton Mifflin Company. The American Heritage College Dictionary. New York: The Author, 1997.

MLA (9th ed.) Citation

Houghton Mifflin Company. The American Heritage College Dictionary. The Author, 1997.

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