APA(7版)引用形式

Não informado. (1972). History. Helen Dwight Reid Educational Foundation.

Chicagoスタイル(17版)引用形式

Não informado. History. Washington: Helen Dwight Reid Educational Foundation, 1972.

MLA(8版)引用形式

Não informado. History. Helen Dwight Reid Educational Foundation, 1972.

警告: この引用は必ずしも正確ではありません.