Pipkin, B. W., Trent, D. D., & Hazlett, R. (2005). Geology and the environment (4th ed.). Brokks/Cole.
芝加哥风格引文Pipkin, Bernard W., D. D. Trent, 与 Richard Hazlett. Geology and the Environment. 4th ed. Australia: Brokks/Cole, 2005.
MLA引文Pipkin, Bernard W., et al. Geology and the Environment. 4th ed. Brokks/Cole, 2005.
警告：这些引文格式不一定是100％准确.