APA (7th ed.) Citation

National Council of Teachers of Mathematics. (1928). Selected topics in the teaching of mathematics. Bureau of Publications, Teachers College, Columbia Univ..

Chicago Style (17th ed.) Citation

National Council of Teachers of Mathematics. Selected Topics in the Teaching of Mathematics. New York: Bureau of Publications, Teachers College, Columbia Univ., 1928.

MLA (9th ed.) Citation

National Council of Teachers of Mathematics. Selected Topics in the Teaching of Mathematics. Bureau of Publications, Teachers College, Columbia Univ., 1928.