APA (7th ed.) Citation

(2010). Facts on file world news digest yearbook 2009: Indexed record of word events. Facts on File News Services.

Chicago Style (17th ed.) Citation

Facts on File World News Digest Yearbook 2009: Indexed Record of Word Events. New York: Facts on File News Services, 2010.

MLA (9th ed.) Citation

Facts on File World News Digest Yearbook 2009: Indexed Record of Word Events. Facts on File News Services, 2010.