APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.