Citazione Stile APA (7a Edizione)

Smith, D. E. (1900). The teaching of elementary mathematics. Macmillan.

Citazione stile Chigago Style (17a edizione)

Smith, David Eugene. The Teaching of Elementary Mathematics. New York: Macmillan, 1900.

Citatione MLA (9a ed.)

Smith, David Eugene. The Teaching of Elementary Mathematics. Macmillan, 1900.