APA (7th ed.) Citation

Washington Post, otros, & The Washington Post Writers Group. otros. (1991). Messages: The Washington Post Media Companion. Allyn and Bacon.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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