APA (7th ed.) Citation

United States. Federal Aviation Administration. En Route Instructional Systems Unit & United States. Federal Aviation Administration. (1991). Tri-option controller reference aircraft manual. En Route Instructional Systems Unit, AAC-931D, Mike Monroney Aeronautical Center.

Chicago Style (17th ed.) Citation

United States. Federal Aviation Administration. En Route Instructional Systems Unit and United States. Federal Aviation Administration. Tri-option Controller Reference Aircraft Manual. Oklahoma, City, Okla.: En Route Instructional Systems Unit, AAC-931D, Mike Monroney Aeronautical Center, 1991.

MLA (9th ed.) Citation

United States. Federal Aviation Administration. En Route Instructional Systems Unit and United States. Federal Aviation Administration. Tri-option Controller Reference Aircraft Manual. En Route Instructional Systems Unit, AAC-931D, Mike Monroney Aeronautical Center, 1991.