Keller, E. A., DeVecchio, D. E., & Blodgett, R. H. Natural hazards: Earth's processes as hazards, disasters, and catastrophes (3rd ed.).
芝加哥风格引文Keller, Edward A., Duane E. DeVecchio, 与 Robert H. Blodgett. Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes. 3rd ed.
MLA引文Keller, Edward A., et al. Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes. 3rd ed.
警告：这些引文格式不一定是100％准确.