Cita APA (7th ed.)

Cushing, D. H. (1976). The ecology of the seas. W. B. Saunders.

Cita Chicago (17th ed.)

Cushing, D. H. The Ecology of the Seas. Philadelphia: W. B. Saunders, 1976.

Cita MLA (9th ed.)

Cushing, D. H. The Ecology of the Seas. W. B. Saunders, 1976.