APA (7th ed.) Citation

Johnson, D. A. (1959). Paper folding for the mathematics class (2. print.). Nat. Council of Teachers of Mathematics.

Chicago Style (17th ed.) Citation

Johnson, Donovan A. Paper Folding for the Mathematics Class. 2. print. Washington, D.C: Nat. Council of Teachers of Mathematics, 1959.

MLA (9th ed.) Citation

Johnson, Donovan A. Paper Folding for the Mathematics Class. 2. print. Nat. Council of Teachers of Mathematics, 1959.