APA (7th ed.) Citation

(1981). The American heritage dictionary of the English language. Houghton Mifflin.

Chicago Style (17th ed.) Citation

The American Heritage Dictionary of the English Language. Boston: Houghton Mifflin, 1981.

MLA (9th ed.) Citation

The American Heritage Dictionary of the English Language. Houghton Mifflin, 1981.

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