Citazione Stile APA (7a Edizione)

Smith, D. E. (1900). The teaching of elementary mathematics QA11. Macmillan.

Citazione stile Chigago Style (17a edizione)

Smith, David Eugene. The Teaching of Elementary Mathematics QA11. New York: Macmillan, 1900.

Citatione MLA (9a ed.)

Smith, David Eugene. The Teaching of Elementary Mathematics QA11. Macmillan, 1900.