Style de citation APA (7e éd.)

Cohen, H. (1970). Landmarks of American Writing. Voice of America.

Style de citation Chicago (17e éd.)

Cohen, Hennig. Landmarks of American Writing. Washington: Voice of America, 1970.

Style de citation MLA (8e éd.)

Cohen, Hennig. Landmarks of American Writing. Voice of America, 1970.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.