APA Style

Supplement to the 1976 edition of the Code for existing ships carrying liquefied gases in bulk : [amendments]. (1980). London: Inter-Govermental Maritime Consultative Organization.

MLA Style

Supplement to the 1976 edition of the Code for existing ships carrying liquefied gases in bulk : [amendments]. . London: Inter-Govermental Maritime Consultative Organization, 1980. Text.