Cita APA (7th ed.)
Wickramasinghe, J., Wickramasinghe, N. C., & Napier, B. (2010). Comets and the origin of life. World Scientific.
Cita Chicago (17th ed.)
Wickramasinghe, Janaki, N. C. Wickramasinghe, i Bill Napier. Comets and the Origin of Life. Hackensack, N.J. ; London: World Scientific, 2010.
Cita MLA (9th ed.)
Wickramasinghe, Janaki, et al. Comets and the Origin of Life. World Scientific, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.