Smith, D. E. (1900). The teaching of elementary mathematics QA11. Macmillan.
Chicago Style (17th ed.) CitationSmith, David Eugene. The Teaching of Elementary Mathematics QA11. New York: Macmillan, 1900.
MLA (9th ed.) CitationSmith, David Eugene. The Teaching of Elementary Mathematics QA11. Macmillan, 1900.
Warning: These citations may not always be 100% accurate.