APA Style

International Convention Relating to Intervention on the High Seas in Cases of Oil Pollution Casualties (1969) ; and, Protocol Relating to Intervention on the High Seas in Cases of Marine Pollution by Substances other than Oil, 1973. (1977). London: Inter-Govermental Maritime Consultative Organization.

MLA Style

International Convention Relating to Intervention on the High Seas in Cases of Oil Pollution Casualties (1969) ; and, Protocol Relating to Intervention on the High Seas in Cases of Marine Pollution by Substances other than Oil, 1973. . London: Inter-Govermental Maritime Consultative Organization, 1977. Text.