APA Style

York, Penelope. (2002). Earth . United Kingdom: Dorling Kindersley.

Chicago Style

York, Penelope. Earth. United Kingdom: Dorling Kindersley, 2002. .

MLA Style

York, Penelope. Earth. United Kingdom: Dorling Kindersley, 2002. .

Turabian Style

York, Penelope. Earth. United Kingdom: Dorling Kindersley, 2002. .