Lane, E. H. U. (1981). The World almanac and book of facts 1981. Newspaper Enterprise Association.
Chicago Style (17th ed.) CitationLane, Editor Hana Umlaut. The World Almanac and Book of Facts 1981. Newspaper Enterprise Association, 1981.
MLA (8th ed.) CitationLane, Editor Hana Umlaut. The World Almanac and Book of Facts 1981. Newspaper Enterprise Association, 1981.
Warning: These citations may not always be 100% accurate.