APA (7th ed.) Citation

Mead, K. S., Jorgensen, S. E., & Fath, B. D. (2008). Encyclopedia of ecology. Elsevier.

Chicago Style (17th ed.) Citation

Mead, K. S., Sven Erik Jorgensen, and Brian D. Fath. Encyclopedia of Ecology. Amsterdam: Elsevier, 2008.

MLA (9th ed.) Citation

Mead, K. S., et al. Encyclopedia of Ecology. Elsevier, 2008.