MLA

Unspecified, et al. State of the World's Oceans. Springer Netherlands, 2009.

APA

Unspecified, U., Allsopp, M., Johnston, P., Pambuccian, S. E, & Santillo, D. (2009). State of the World's Oceans. Springer Netherlands.

Chicago

Unspecified, Michelle Allsopp, Paul Johnston, Stefan E Pambuccian, and David Santillo. State of the World's Oceans. : Springer Netherlands, 2009.