Citazione Stile APA (7a Edizione)

DWYER, R. C., & ELLIGETT, J. K. (1970). Natural mathematics: Teaching children through. Parker Pub.

Citazione stile Chigago Style (17a edizione)

DWYER, Robert C., e Jane K. ELLIGETT. Natural Mathematics: Teaching Children Through. New York: Parker Pub, 1970.

Citatione MLA (9a ed.)

DWYER, Robert C., e Jane K. ELLIGETT. Natural Mathematics: Teaching Children Through. Parker Pub, 1970.