Citazione Stile APA (7a Edizione)

Riedesel, C. A. (1967). Guiding discovery in elementary school mathematics. Appleton-Century-Crofts.

Citazione stile Chigago Style (17a edizione)

Riedesel, C. Alan. Guiding Discovery in Elementary School Mathematics. New York: Appleton-Century-Crofts, 1967.

Citatione MLA (8a ed.)

Riedesel, C. Alan. Guiding Discovery in Elementary School Mathematics. Appleton-Century-Crofts, 1967.