Ball, W. W. R. (1922). Mathematical recreations and essays (Tenth edition.). Macmillan.
Chicago Style (17th ed.) CitationBall, W. W. Rouse. Mathematical Recreations and Essays. Tenth edition. London: Macmillan, 1922.
MLA (9th ed.) CitationBall, W. W. Rouse. Mathematical Recreations and Essays. Tenth edition. Macmillan, 1922.
Warning: These citations may not always be 100% accurate.