Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Cushing, D. H., i J. J. Walsh. The Ecology of the Seas. Filadelfia: W. B. Saunders, 1976.

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.