APA (7th ed.) Citation

Washington Post Writers Group & Babb, L. L. (1976). The Washington post guide to Washington. McGraw-Hill.

Chicago Style (17th ed.) Citation

Washington Post Writers Group and Laura Longley Babb. The Washington Post Guide to Washington. New York: McGraw-Hill, 1976.

MLA (9th ed.) Citation

Washington Post Writers Group and Laura Longley Babb. The Washington Post Guide to Washington. McGraw-Hill, 1976.