APA Style

Luhr, James F., Post, Jeffrey E.. (2003). EARTH : The Definitive Visual Guide . New York: DK.

Chicago Style

Luhr, James F., Post, Jeffrey E.. EARTH : The Definitive Visual Guide. New York: DK, 2003. Text.

MLA Style

Luhr, James F., Post, Jeffrey E.. EARTH : The Definitive Visual Guide. New York: DK, 2003. Text.

Turabian Style

Luhr, James F., Post, Jeffrey E.. EARTH : The Definitive Visual Guide. New York: DK, 2003. Print.