ebrary, Inc, Impey, C., Spitz, A. H., & Stoeger, W. R. (2013). Encountering life in the universe: Ethical foundations and social implications of astrobiology. University of Arizona Press.
芝加哥风格引文ebrary, Inc, Chris Impey, Anna H. Spitz, 与 William R. Stoeger. Encountering Life in the Universe: Ethical Foundations and Social Implications of Astrobiology. Tucson: University of Arizona Press, 2013.
MLA引文ebrary, Inc, et al. Encountering Life in the Universe: Ethical Foundations and Social Implications of Astrobiology. University of Arizona Press, 2013.
警告：这些引文格式不一定是100％准确.