APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Cushing D H. and J. J. Walsh. The Ecology of the Seas. Philadelphia, Pa: W.B. Saunders Co, 1976.

MLA (9th ed.) Citation

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