MLA

Gargaud, et al. Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015.

APA

Gargaud, G., Amils, R., Cernicharo Quintanilla, J., Cleaves II, H. James, Irvine, W. M, Pinti, D., Rouan, D., Spohn, T., Tirard, S., & Viso, M. (2015). Encyclopedia of Astrobiology. Springer Berlin Heidelberg.

Chicago

Gargaud, Ricardo Amils, José Cernicharo Quintanilla, Henderson James Cleaves II, William M Irvine, Daniele Pinti, Daniel Rouan, Tilman Spohn, Stéphane Tirard, and Michel Viso. Encyclopedia of Astrobiology. : Springer Berlin Heidelberg, 2015.