APA (7th ed.) Citation

(1926). National Council of Teachers of Mathematics. Yearbook. Teachers College, Columbia University.

Chicago Style (17th ed.) Citation

National Council of Teachers of Mathematics. Yearbook. New York City: Teachers College, Columbia University, 1926.

MLA (9th ed.) Citation

National Council of Teachers of Mathematics. Yearbook. Teachers College, Columbia University, 1926.

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