Traxel, W. L. (2004). Footprints of the Welsh Indians: Settlers in North America before 1492. Algora Pub..
芝加哥风格引文Traxel, William L. Footprints of the Welsh Indians: Settlers in North America Before 1492. New York: Algora Pub., 2004.
MLA引文Traxel, William L. Footprints of the Welsh Indians: Settlers in North America Before 1492. Algora Pub., 2004.
警告：这些引文格式不一定是100％准确.