National Council of Teachers of Mathematics. The Arithmetic teacher. National Council of Teachers of Mathematics.
Chicago Style (17th ed.) CitationNational Council of Teachers of Mathematics. The Arithmetic Teacher. [Reston, Va., etc.]: National Council of Teachers of Mathematics.
MLA (8th ed.) CitationNational Council of Teachers of Mathematics. The Arithmetic Teacher. National Council of Teachers of Mathematics.
Warning: These citations may not always be 100% accurate.