APA (7th ed.) Citation

Luhr, J. F., & Post, J. E. (2013). Earth. DK Publishing.

Chicago Style (17th ed.) Citation

Luhr, James F., and Jeffrey E. Post. Earth. London: DK Publishing, 2013.

MLA (9th ed.) Citation

Luhr, James F., and Jeffrey E. Post. Earth. DK Publishing, 2013.

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