Aeronautical chart user's guide.
APA Citation
United States. National Aeronautical Charting Office. (2008). Aeronautical chart user's guide. 8th ed. [Silver Spring, MD]: Federal Aviation Administration, Aviation System Standards, National Aeronautical Charting Office.
MLA Citation
United States. National Aeronautical Charting Office. Aeronautical Chart User's Guide. 8th ed. [Silver Spring, MD]: Federal Aviation Administration, Aviation System Standards, National Aeronautical Charting Office, 2008.
Warning: These citations may not always be complete (especially for serials).