APA (7th ed.) Citation

Ray, G. C. (1975). A preliminary classification of coastal and marine environments. International Union for Conservation of Nature and Natural Resources.

Chicago Style (17th ed.) Citation

Ray, G. Carleton. A Preliminary Classification of Coastal and Marine Environments. Morges, Switzerland: International Union for Conservation of Nature and Natural Resources, 1975.

MLA (9th ed.) Citation

Ray, G. Carleton. A Preliminary Classification of Coastal and Marine Environments. International Union for Conservation of Nature and Natural Resources, 1975.