APA (7th ed.) Citation

Brown, D., & Perfit, M. R. (2017). Older than dirt: A kinda-sorta biography of Earth. Houghton Mifflin Harcourt.

Chicago Style (17th ed.) Citation

Brown, Don, and Michael R. Perfit. Older than Dirt: A Kinda-sorta Biography of Earth. Boston ; New York: Houghton Mifflin Harcourt, 2017.

MLA (8th ed.) Citation

Brown, Don, and Michael R. Perfit. Older than Dirt: A Kinda-sorta Biography of Earth. Houghton Mifflin Harcourt, 2017.

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