APA (7th ed.) Citation

Joel, L. Missing E.T: Ancient earth?s atmosphere raises questions in the search for extraterrestrial life. [article].

Chicago Style (17th ed.) Citation

Joel, Lucas. Missing E.T: Ancient Earth?s Atmosphere Raises Questions in the Search for Extraterrestrial Life. [article].

MLA (9th ed.) Citation

Joel, Lucas. Missing E.T: Ancient Earth?s Atmosphere Raises Questions in the Search for Extraterrestrial Life. [article].

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