APA (7th ed.) Citation

Great Britain. Department of Transport. (1991). International code of signals 1969 (Consolidated ed.). H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. Department of Transport. International Code of Signals 1969. Consolidated ed. London: H.M.S.O., 1991.

MLA (9th ed.) Citation

Great Britain. Department of Transport. International Code of Signals 1969. Consolidated ed. H.M.S.O., 1991.

Warning: These citations may not always be 100% accurate.