APA

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

Chicago

Steele John H, . 1974. The structure of marine ecosystems. Cambridge: Harvard University.

Harvard

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

MLA

Steele John H, . The structure of marine ecosystems. Cambridge: Harvard University. 1974.