APA(7版)引用形式

Freitag, H. T., & Freitag, A. H. (1960). The number story. National Council of Teachers of Mathematics.

Chicagoスタイル(17版)引用形式

Freitag, Herta Taussig, , Arthur H. Freitag. The Number Story. Washington: National Council of Teachers of Mathematics, 1960.

MLA(8版)引用形式

Freitag, Herta Taussig, , Arthur H. Freitag. The Number Story. National Council of Teachers of Mathematics, 1960.

警告: この引用は必ずしも正確ではありません.