Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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