| APA | ATA2UD. (2012, February 12). In Acronym Geek. Retrieved 15:24, February 12, 2012, from http://www.acronymgeek.com/ATA2UD |
| MLA | "ATA2UD." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ATA2UD>. |
| MHRA | 'ATA2UD', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ATA2UD> [accessed 12 February 2012] |
| Chicago | "ATA2UD", http://www.acronymgeek.com/ATA2UD (accessed February 12, 2012). |
| CBE/CSE | ATA2UD [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ATA2UD. |
| Bluebook | ATA2UD, http://www.acronymgeek.com/ATA2UD (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ATA2UD, http://www.acronymgeek.com/ATA2UD (optional description here) (as of Feb. 12, 2012, 15:24). |
| AMA | ATA2UD. Acronym Geek. February 12, 2012, 15:24. Available at: http://www.acronymgeek.com/ATA2UD. Accessed February 12, 2012, 15:24. |