Citazione Stile APA (7a Edizione)

Reys, R. E., Suydam, M. N., & Linquist, M. M. (1992). Helping children learn mathematics (3rd ed.). Allyn and Bacon.

Citazione stile Chigago Style (17a edizione)

Reys, Robert E., Marilyn N. Suydam, e Mary M. Linquist. Helping Children Learn Mathematics. 3rd ed. Boston: Allyn and Bacon, 1992.

Citatione MLA (9a ed.)

Reys, Robert E., et al. Helping Children Learn Mathematics. 3rd ed. Allyn and Bacon, 1992.