| APA | Air Traffic Services Authority (ATSA). (2012, February 14). In Acronym Geek. Retrieved 01:40, February 14, 2012, from http://www.acronymgeek.com/ATSA/Air_Traffic_Services_Authority |
| MLA | "Air Traffic Services Authority (ATSA)." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ATSA/Air_Traffic_Services_Authority>. |
| MHRA | 'Air Traffic Services Authority (ATSA)', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ATSA/Air_Traffic_Services_Authority> [accessed 14 February 2012] |
| Chicago | "Air Traffic Services Authority (ATSA)", http://www.acronymgeek.com/ATSA/Air_Traffic_Services_Authority (accessed February 14, 2012). |
| CBE/CSE | Air Traffic Services Authority (ATSA) [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ATSA/Air_Traffic_Services_Authority. |
| Bluebook | Air Traffic Services Authority (ATSA), http://www.acronymgeek.com/ATSA/Air_Traffic_Services_Authority (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Air Traffic Services Authority (ATSA), http://www.acronymgeek.com/ATSA/Air_Traffic_Services_Authority (optional description here) (as of Feb. 14, 2012, 01:40). |
| AMA | Air Traffic Services Authority (ATSA). Acronym Geek. February 14, 2012, 01:40. Available at: http://www.acronymgeek.com/ATSA/Air_Traffic_Services_Authority. Accessed February 14, 2012, 01:40. |