Reader's Digest Association. (1995). How was it donen: The story of human ingenuity through the ages. Reader's Digest.
Chicago Style (17th ed.) CitationReader's Digest Association. How Was It Donen: The Story of Human Ingenuity Through the Ages. London: Reader's Digest, 1995.
MLA (9th ed.) CitationReader's Digest Association. How Was It Donen: The Story of Human Ingenuity Through the Ages. Reader's Digest, 1995.
Warning: These citations may not always be 100% accurate.