APA (7th ed.) Citation

Dorling Kindersley Limited. (2008). Earth matters: An encyclopedia of ecology (First American edition.). DK Pub.

Chicago Style (17th ed.) Citation

Dorling Kindersley Limited. Earth Matters: An Encyclopedia of Ecology. First American edition. New York, N.Y: DK Pub, 2008.

MLA (9th ed.) Citation

Dorling Kindersley Limited. Earth Matters: An Encyclopedia of Ecology. First American edition. DK Pub, 2008.