APA Edition Citation

Posamentier, A. S., & Lehmann, I. (2006). Pi: A biography of the world's most mysterious number. Universities press.

Chicago Edition Citation

Posamentier, Alfred S., and Ingmar Lehmann. Pi: A Biography of the World's Most Mysterious Number. Hyderabad: Universities press, 2006.

MLA Edition Citation

Posamentier, Alfred S., and Ingmar Lehmann. Pi: A Biography of the World's Most Mysterious Number. Universities press, 2006.