Gilluly, J., & Waters, A. C. (1968). Principles of Geology (3rd.ed.). W.H. Freeman & Co..
芝加哥风格引文Gilluly, James, 与 Aaron C. Waters. Principles of Geology. 3rd.ed. San Francisco: W.H. Freeman & Co., 1968.
MLA引文Gilluly, James, 与 Aaron C. Waters. Principles of Geology. 3rd.ed. W.H. Freeman & Co., 1968.
警告：这些引文格式不一定是100％准确.