APA (7th ed.) Citation

United States. Air Traffic Service, United States. Air Traffic Operations Service, United States. Air Traffic Rules and Procedures Service, & United States. Federal Aviation Administration. Location identifiers. Dept. of Transportation, Federal Aviation Administration, Air Traffic Service.

Chicago Style (17th ed.) Citation

United States. Air Traffic Service, United States. Air Traffic Operations Service, United States. Air Traffic Rules and Procedures Service, and United States. Federal Aviation Administration. Location Identifiers. [Washington, D.C.]: Dept. of Transportation, Federal Aviation Administration, Air Traffic Service.

MLA (9th ed.) Citation

United States. Air Traffic Service, et al. Location Identifiers. Dept. of Transportation, Federal Aviation Administration, Air Traffic Service.