Dyfyniad APA

(1904). The twentieth century biographical dictionary of notable Americans. Biographical Society.

Dyfyniad Arddull Chicago

The Twentieth Century Biographical Dictionary of Notable Americans. Boston: Biographical Society, 1904.

Dyfyniad MLA

The Twentieth Century Biographical Dictionary of Notable Americans. Biographical Society, 1904.

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