APA (7th ed.) Citation
Bell, E. T. (1937). Men of Mathematics (1a.ed.). Penguin books.
Chicago Style (17th ed.) Citation
Bell, E. T. Men of Mathematics. 1a.ed. Middlesex: Penguin books, 1937.
MLA (9th ed.) Citation
Bell, E. T. Men of Mathematics. 1a.ed. Penguin books, 1937.
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