APA (7th ed.) Citation

Johnson, D. A. (1967). Paper folding for the mathematics class. National Council of Teachers Association.

Chicago Style (17th ed.) Citation

Johnson, Donovan A. Paper Folding for the Mathematics Class. Washington: National Council of Teachers Association, 1967.

MLA (9th ed.) Citation

Johnson, Donovan A. Paper Folding for the Mathematics Class. National Council of Teachers Association, 1967.

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