APA (7th ed.) Citation

Encyclopedia Britannica, Inc, & Green, A. L. (2008). Earth's changing environment: Compton's by Britannica. Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Encyclopedia Britannica, Inc, and Anthony L. Green. Earth's Changing Environment: Compton's by Britannica. Chicago: Encyclopedia Britannica, 2008.

MLA (9th ed.) Citation

Encyclopedia Britannica, Inc, and Anthony L. Green. Earth's Changing Environment: Compton's by Britannica. Encyclopedia Britannica, 2008.