National Research Council (U.S.). Committee on the Origins and Evolution of Life. (2003). Life in the universe: An assessment of U.S. and international programs in astrobiology. National Academies Press.
芝加哥风格引文National Research Council (U.S.). Committee on the Origins and Evolution of Life. Life in the Universe: An Assessment of U.S. and International Programs in Astrobiology. Washington, D.C.: National Academies Press, 2003.
MLA引文National Research Council (U.S.). Committee on the Origins and Evolution of Life. Life in the Universe: An Assessment of U.S. and International Programs in Astrobiology. National Academies Press, 2003.
警告：这些引文格式不一定是100％准确.