Montgomery, C. W. (2006). Environmental geology (7th ed.). McGraw-Hill.
芝加哥风格引文Montgomery, Carla W. Environmental Geology. 7th ed. Boston: McGraw-Hill, 2006.
MLA引文Montgomery, Carla W. Environmental Geology. 7th ed. McGraw-Hill, 2006.
警告：这些引文格式不一定是100％准确.