Flansburg, S., & Hay, V. (1994). Math magic: The human calculator shows how to master everyday math problems in seconds (1st HarperPerennial ed.). New York, NY: HarperPerennial.
Chicago Style CitationFlansburg, Scott., and Victoria Hay. Math Magic: The Human Calculator Shows How to Master Everyday Math Problems in Seconds. 1st HarperPerennial ed. New York, NY: HarperPerennial, 1994.
MLA CitationFlansburg, Scott., and Victoria Hay. Math Magic: The Human Calculator Shows How to Master Everyday Math Problems in Seconds. 1st HarperPerennial ed. New York, NY: HarperPerennial, 1994.
Warning: These citations may not always be 100% accurate.