| APA | ATSU. (2012, February 17). In Acronym Geek. Retrieved 01:58, February 17, 2012, from http://www.acronymgeek.com/ATSU |
| MLA | "ATSU." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ATSU>. |
| MHRA | 'ATSU', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ATSU> [accessed 17 February 2012] |
| Chicago | "ATSU", http://www.acronymgeek.com/ATSU (accessed February 17, 2012). |
| CBE/CSE | ATSU [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ATSU. |
| Bluebook | ATSU, http://www.acronymgeek.com/ATSU (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ATSU, http://www.acronymgeek.com/ATSU (optional description here) (as of Feb. 17, 2012, 01:58). |
| AMA | ATSU. Acronym Geek. February 17, 2012, 01:58. Available at: http://www.acronymgeek.com/ATSU. Accessed February 17, 2012, 01:58. |