APA (7th ed.) Citation

Powers, R. M. (1986). Mars: Our future on the red planet. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Powers, Robert M. Mars: Our Future on the Red Planet. Boston: Houghton Mifflin, 1986.

MLA (9th ed.) Citation

Powers, Robert M. Mars: Our Future on the Red Planet. Houghton Mifflin, 1986.