Reader's Digest Association. (1989). The world at arms: The Reader's Digest illustrated history of World War II. The Reader's Digest Association.
Chicago Style (17th ed.) CitationReader's Digest Association. The World at Arms: The Reader's Digest Illustrated History of World War II. London ; New York: The Reader's Digest Association, 1989.
MLA (8th ed.) CitationReader's Digest Association. The World at Arms: The Reader's Digest Illustrated History of World War II. The Reader's Digest Association, 1989.
Warning: These citations may not always be 100% accurate.