Posamentier Alfred S. & Lehmann, I. (2007). Pie: A biography of the world's mysterious number. Hyderabad Universities.
Chicago Edition CitationPosamentier Alfred S. and Ingmar Lehmann. Pie: A Biography of the World's Mysterious Number. Hyderabad: Hyderabad Universities, 2007.
MLA Edition CitationPosamentier Alfred S. and Ingmar Lehmann. Pie: A Biography of the World's Mysterious Number. Hyderabad Universities, 2007.
Warning: These citations may not always be 100% accurate.