APA (7 ম সংস্করণ) উদ্ধৃতি

Ward, P. D., & Brownlee, D. (2002). The life and death of planet earth: How the new science of astrobiology charts the ultimate fate of our world. Times Books.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ward, Peter D., এবং Donald Brownlee. The Life and Death of Planet Earth: How the New Science of Astrobiology Charts the Ultimate Fate of Our World. New York: Times Books, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Ward, Peter D., এবং Donald Brownlee. The Life and Death of Planet Earth: How the New Science of Astrobiology Charts the Ultimate Fate of Our World. Times Books, 2002.