Kastor, P. J. (2011). William Clark's world: Describing America in an age of unknowns. Yale University Press.
芝加哥风格引文Kastor, Peter J. William Clark's World: Describing America in an Age of Unknowns. New Haven [Conn.]: Yale University Press, 2011.
MLA引文Kastor, Peter J. William Clark's World: Describing America in an Age of Unknowns. Yale University Press, 2011.
警告：这些引文格式不一定是100％准确.