Great Britain. Directorate of Military Survey & Aerospace Center (U.S.). (1993). Operational navigational chart, ONC (Ed. 8-GSGS.). The Survey ; The Center.
Chicago Style (17th ed.) CitationGreat Britain. Directorate of Military Survey and Aerospace Center (U.S.). Operational Navigational Chart, ONC. Ed. 8-GSGS. London : St. Louis, Mo.: The Survey ; The Center, 1993.
MLA (9th ed.) CitationGreat Britain. Directorate of Military Survey and Aerospace Center (U.S.). Operational Navigational Chart, ONC. Ed. 8-GSGS. The Survey ; The Center, 1993.
Warning: These citations may not always be 100% accurate.