APA (7th ed.) Citation

(2011). A general discussion of plate tectonics. Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

A General Discussion of Plate Tectonics. Chicago, IL: Encyclopedia Britannica, 2011.

MLA (9th ed.) Citation

A General Discussion of Plate Tectonics. Encyclopedia Britannica, 2011.

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