APA (7th ed.) Citation

(1991). The American heritage dictionary (2. college ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

The American Heritage Dictionary. 2. college ed. Boston: Houghton Mifflin, 1991.

MLA (9th ed.) Citation

The American Heritage Dictionary. 2. college ed. Houghton Mifflin, 1991.

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