APA-viite (7. p.)
ebrary, Inc, Seckbach, J., & Walsh, M. (2009). From fossils to astrobiology: Records of life on Earth and the search for extraterrestrial biosignatures. Springer.
Chicago-viite (17. p.)
ebrary, Inc, J. Seckbach, ja Maud Walsh. From Fossils to Astrobiology: Records of Life on Earth and the Search for Extraterrestrial Biosignatures. [Dordrecht]: Springer, 2009.
MLA-viite (9. p.)
ebrary, Inc, et al. From Fossils to Astrobiology: Records of Life on Earth and the Search for Extraterrestrial Biosignatures. Springer, 2009.
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