APA (7th ed.) Citation

Gale Group & Blanchfield, D. S. (2010). Environmental encyclopedia (4th ed.). Gale.

Chicago Style (17th ed.) Citation

Gale Group and Deirdre S. Blanchfield. Environmental Encyclopedia. 4th ed. Detroit, Mich: Gale, 2010.

MLA (8th ed.) Citation

Gale Group and Deirdre S. Blanchfield. Environmental Encyclopedia. 4th ed. Gale, 2010.

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