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.
Chicago-Zitierstil (17. Ausg.)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.
MLA-Zitierstil (8. Ausg.)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.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.