Winkelman, B. F. (1937). John D. Rockefeller: The authentic and dramatic story of the world's greatest money maker and money giver. Universal book and Bible house.
Chicago Style (17th ed.) CitationWinkelman, Barnie F. John D. Rockefeller: The Authentic and Dramatic Story of the World's Greatest Money Maker and Money Giver. Philadelphia: Universal book and Bible house, 1937.
MLA (9th ed.) CitationWinkelman, Barnie F. John D. Rockefeller: The Authentic and Dramatic Story of the World's Greatest Money Maker and Money Giver. Universal book and Bible house, 1937.
Warning: These citations may not always be 100% accurate.