Citação norma APA

National Council of Teachers of Mathematics. (1954). The Arithmetic teacher. National Council of Teachers of Mathematics.

Citação norma Chicago

National Council of Teachers of Mathematics. The Arithmetic Teacher. Washington, D.C: National Council of Teachers of Mathematics, 1954.

Citação norma MLA

National Council of Teachers of Mathematics. The Arithmetic Teacher. National Council of Teachers of Mathematics, 1954.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.