APA (7th ed.) Citation

Zubrin, R. (2021). The case for Mars: The plan to settle the red planet and why we must (25th anniversary edition.). Free Press.

Chicago Style (17th ed.) Citation

Zubrin, Robert. The Case for Mars: The Plan to Settle the Red Planet and Why We Must. 25th anniversary edition. New York ; London ; Toronto ; Sydney; New Delhi: Free Press, 2021.

MLA (9th ed.) Citation

Zubrin, Robert. The Case for Mars: The Plan to Settle the Red Planet and Why We Must. 25th anniversary edition. Free Press, 2021.