APA (7th ed.) Citation

Greene, K. (2020). Once upon a time I lived on Mars: Space, exploration, and life on earth. St. Martin's Press.

Chicago Style (17th ed.) Citation

Greene, Kate. Once upon a Time I Lived on Mars: Space, Exploration, and Life on Earth. New York: St. Martin's Press, 2020.

MLA (8th ed.) Citation

Greene, Kate. Once upon a Time I Lived on Mars: Space, Exploration, and Life on Earth. St. Martin's Press, 2020.

Warning: These citations may not always be 100% accurate.