APA(7版)引用形式

Hughes, L. To negro writers: Langston Hughes. American writers' congress.(ca. 1935).

Chicagoスタイル(17版)引用形式

Hughes, Langston. "To Negro Writers: Langston Hughes." American Writers' Congress.(ca. 1935) .

MLA(8版)引用形式

Hughes, Langston. "To Negro Writers: Langston Hughes." American Writers' Congress.(ca. 1935), .

警告: この引用は必ずしも正確ではありません.