United States. National Ocean Service. (1992). Airspace reclassification and charting changes for VFR products ([Rev. 8/92].). [U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service].
Chicago Style (17th ed.) CitationUnited States. National Ocean Service. Airspace Reclassification and Charting Changes for VFR Products. [Rev. 8/92]. [Washington, D.C.]: [U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service], 1992.
MLA (9th ed.) CitationUnited States. National Ocean Service. Airspace Reclassification and Charting Changes for VFR Products. [Rev. 8/92]. [U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service], 1992.
Warning: These citations may not always be 100% accurate.