ScienceDirect (Online service), Gordon, R., & Sharov, A. A. (2018). Habitability of the universe before earth (First edition.). Academic Press.
Chicago Style (17th ed.) CitationScienceDirect (Online service), Richard Gordon, and Alexei A. Sharov. Habitability of the Universe Before Earth. First edition. Cambridge, MA: Academic Press, 2018.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Habitability of the Universe Before Earth. First edition. Academic Press, 2018.
Warning: These citations may not always be 100% accurate.