APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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