Citação norma APA

National Council of Teachers of Mathematics. (1953). Guidance pamphlet in mathematics for high school students (Rev.). s.n.

Citação norma Chicago

National Council of Teachers of Mathematics. Guidance Pamphlet in Mathematics for High School Students. Rev. Washington: s.n, 1953.

Citação norma MLA

National Council of Teachers of Mathematics. Guidance Pamphlet in Mathematics for High School Students. Rev. s.n, 1953.

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