Dyfyniad APA

(1878). Lives of Pope Pius IX and Pope Leo XIII. J.A. McGee.

Dyfyniad Arddull Chicago

Lives of Pope Pius IX and Pope Leo XIII. New York: J.A. McGee, 1878.

Dyfyniad MLA

Lives of Pope Pius IX and Pope Leo XIII. J.A. McGee, 1878.

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