Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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