APA (7th ed.) Citation

York, P. (2015). Earth (Revised edition.). DK Publishing.

Chicago Style (17th ed.) Citation

York, Penelope. Earth. Revised edition. London ; New York: DK Publishing, 2015.

MLA (8th ed.) Citation

York, Penelope. Earth. Revised edition. DK Publishing, 2015.

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