APA (7th ed.) Citation

Steele, J. H. (1974). The structure of marine ecosystems. Harvard University Press.

Chicago Style (17th ed.) Citation

Steele, John H. The Structure of Marine Ecosystems. Cambridge: Harvard University Press, 1974.

MLA (8th ed.) Citation

Steele, John H. The Structure of Marine Ecosystems. Harvard University Press, 1974.