APA (7th ed.) Citation

Washington Post Writers Group. (1991). Messages: The Washington Post media companion. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Washington Post Writers Group. Messages: The Washington Post Media Companion. Boston: Allyn and Bacon, 1991.

MLA (8th ed.) Citation

Washington Post Writers Group. Messages: The Washington Post Media Companion. Allyn and Bacon, 1991.

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