Rusch, E., & Anderson, K. (2017). Impact!: Asteroids and the science of saving the world. Houghton Mifflin Harcourt.
Cita Chicago Style (17a ed.)Rusch, Elizabeth, y Karin Anderson. Impact!: Asteroids and the Science of Saving the World. Boston ; New York: Houghton Mifflin Harcourt, 2017.
Cita MLA (8a ed.)Rusch, Elizabeth, y Karin Anderson. Impact!: Asteroids and the Science of Saving the World. Houghton Mifflin Harcourt, 2017.
Precaución: Estas citas no son 100% exactas.