APA (7th ed.) Citation

ScienceDirect (Online service), Steele, J. H., Thorpe, S. A., & Turekian, K. K. (2008). Encyclopedia of ocean sciences (2nd electronic ed.). Elsevier ScienceDirect.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), John H. Steele, S. A. Thorpe, and Karl K. Turekian. Encyclopedia of Ocean Sciences. 2nd electronic ed. Amsterdam: Elsevier ScienceDirect, 2008.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Encyclopedia of Ocean Sciences. 2nd electronic ed. Elsevier ScienceDirect, 2008.