APA (7th ed.) Citation

Tang, G., & Briggs, H. (2001). The grapes of math: Mind-stretching math riddles. Scholastic.

Chicago Style (17th ed.) Citation

Tang, Greg, and Harry Briggs. The Grapes of Math: Mind-stretching Math Riddles. New York: Scholastic, 2001.

MLA (8th ed.) Citation

Tang, Greg, and Harry Briggs. The Grapes of Math: Mind-stretching Math Riddles. Scholastic, 2001.

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