Janssen, S. THE WORLD ALMANAC AND BOOK OF FACTS 2020.
Chicago Style (17th ed.) CitationJanssen, Sarah. THE WORLD ALMANAC AND BOOK OF FACTS 2020.
MLA (8th ed.) CitationJanssen, Sarah. THE WORLD ALMANAC AND BOOK OF FACTS 2020.
Warning: These citations may not always be 100% accurate.