APA (7th ed.) Citation

National Council of Teachers of Mathematics. (1960). Insights into modern mathematics. The National Council of Teachers of Mathematics.

Chicago Style (17th ed.) Citation

National Council of Teachers of Mathematics. Insights into Modern Mathematics. Washington: The National Council of Teachers of Mathematics, 1960.

MLA (9th ed.) Citation

National Council of Teachers of Mathematics. Insights into Modern Mathematics. The National Council of Teachers of Mathematics, 1960.

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