APA (7th ed.) Citation

Johnson, D. A. (1999). Paper folding for the mathematics class (14. print.). National Council of Teachers of Math.

Chicago Style (17th ed.) Citation

Johnson, Donovan A. Paper Folding for the Mathematics Class. 14. print. Washington, DC: National Council of Teachers of Math, 1999.

MLA (9th ed.) Citation

Johnson, Donovan A. Paper Folding for the Mathematics Class. 14. print. National Council of Teachers of Math, 1999.