APA (7th ed.) Citation

(2020). Bicycle or unicycle?: A collection of intriguing mathematical puzzles / Daniel J. Velleman, Stan Wagon.

Chicago Style (17th ed.) Citation

Bicycle or Unicycle?: A Collection of Intriguing Mathematical Puzzles / Daniel J. Velleman, Stan Wagon. 2020.

MLA (9th ed.) Citation

Bicycle or Unicycle?: A Collection of Intriguing Mathematical Puzzles / Daniel J. Velleman, Stan Wagon. 2020.

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