Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.