APA-referens

Sivaram, C., & Sastry, A. (2004). Introduction to astrobiology. University Press.

Chicago-stil citat

Sivaram, C., och Ajay Sastry. Introduction to Astrobiology. Hyderabad: University Press, 2004.

MLA-referens

Sivaram, C., och Ajay Sastry. Introduction to Astrobiology. University Press, 2004.