Gardner, M. (2009). Hexaflexagons, probability paradoxes, and the Tower of Hanoi: Martin Gardner's first book of mathematical puzzles and games (1. publ., repr.). Cambridge Univ. Pr.
Chicago Style (17th ed.) CitationGardner, Martin. Hexaflexagons, Probability Paradoxes, and the Tower of Hanoi: Martin Gardner's First Book of Mathematical Puzzles and Games. 1. publ., repr. Cambridge [u.a.]: Cambridge Univ. Pr, 2009.
MLA (9th ed.) CitationGardner, Martin. Hexaflexagons, Probability Paradoxes, and the Tower of Hanoi: Martin Gardner's First Book of Mathematical Puzzles and Games. 1. publ., repr. Cambridge Univ. Pr, 2009.
Warning: These citations may not always be 100% accurate.