APA (7th ed.) Citation

Williams, C. L., & Kalis, J. (2007). 24 games you can play on a checkerboard. Gibbs Smith, Publisher.

Chicago Style (17th ed.) Citation

Williams, Carol Lynch, and Jennifer Kalis. 24 Games You Can Play on a Checkerboard. Layton, Utah: Gibbs Smith, Publisher, 2007.

MLA (8th ed.) Citation

Williams, Carol Lynch, and Jennifer Kalis. 24 Games You Can Play on a Checkerboard. Gibbs Smith, Publisher, 2007.

Warning: These citations may not always be 100% accurate.