APA Citation

National Council of Teachers of Mathematics, & National Council of Teachers of Mathematics. (1961). The growth of mathematical ideas, grades K-12. Washington.

Chicago Style Citation

National Council of Teachers of Mathematics, and National Council of Teachers of Mathematics. The Growth of Mathematical Ideas, Grades K-12. Washington, 1961.

MLA Citation

National Council of Teachers of Mathematics, and National Council of Teachers of Mathematics. The Growth of Mathematical Ideas, Grades K-12. Washington, 1961.

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