| APA | A2TR. (2012, February 16). In Acronym Geek. Retrieved 14:54, February 16, 2012, from http://www.acronymgeek.com/A2TR |
| MLA | "A2TR." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/A2TR>. |
| MHRA | 'A2TR', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/A2TR> [accessed 16 February 2012] |
| Chicago | "A2TR", http://www.acronymgeek.com/A2TR (accessed February 16, 2012). |
| CBE/CSE | A2TR [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/A2TR. |
| Bluebook | A2TR, http://www.acronymgeek.com/A2TR (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, A2TR, http://www.acronymgeek.com/A2TR (optional description here) (as of Feb. 16, 2012, 14:54). |
| AMA | A2TR. Acronym Geek. February 16, 2012, 14:54. Available at: http://www.acronymgeek.com/A2TR. Accessed February 16, 2012, 14:54. |