Foster, R. J. 1. A. 1. (1985). Geology (5th ed.). C.E. Merrill Pub. Co.
芝加哥风格引文Foster, Robert J. 1929 Apr. 19-. Geology. 5th ed. Columbus, Ohio: C.E. Merrill Pub. Co, 1985.
MLA引文Foster, Robert J. 1929 Apr. 19-. Geology. 5th ed. C.E. Merrill Pub. Co, 1985.
警告：这些引文格式不一定是100％准确.