Dyfyniad APA

(1838). Proceedings of the American Philosophical Society. Philadelphia: American Philosophical Society.

Dyfyniad Arddull Chicago

Proceedings of the American Philosophical Society. Philadelphia: American Philosophical Society, 1838.

Dyfyniad MLA

Proceedings of the American Philosophical Society. Philadelphia: American Philosophical Society, 1838.

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