Dyfyniad APA

Walsh, J. J. (1904). Audubon, the Naturalist. Records of the American Catholic Historical Society of Philadelphia. Volume XV. Pages 8-21. Philadelphia : American Catholic Historical Society of Philadelphia.

Dyfyniad Arddull Chicago

Walsh, James J. Audubon, the Naturalist. Records of the American Catholic Historical Society of Philadelphia. Volume XV. Pages 8-21. Philadelphia : American Catholic Historical Society of Philadelphia, 1904.

Dyfyniad MLA

Walsh, James J. Audubon, the Naturalist. Records of the American Catholic Historical Society of Philadelphia. Volume XV. Pages 8-21. Philadelphia : American Catholic Historical Society of Philadelphia, 1904.

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