Dyfyniad APA

(1934). American biography: A new cyclopedia (ed.). The American historical society.

Dyfyniad Arddull Chicago

American Biography: A New Cyclopedia. ed. New York: The American historical society, 1934.

Dyfyniad MLA

American Biography: A New Cyclopedia. ed. The American historical society, 1934.

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