Rosowski, S. J. (2003). Willa Cather's ecological imagination. University of Nebraska Press.
芝加哥风格引文Rosowski, Susan J. Willa Cather's Ecological Imagination. Lincoln: University of Nebraska Press, 2003.
MLA引文Rosowski, Susan J. Willa Cather's Ecological Imagination. University of Nebraska Press, 2003.
警告：这些引文格式不一定是100％准确.