| APA | AT1. (2012, February 10). In Acronym Geek. Retrieved 11:15, February 10, 2012, from http://www.acronymgeek.com/AT1 |
| MLA | "AT1." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/AT1>. |
| MHRA | 'AT1', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/AT1> [accessed 10 February 2012] |
| Chicago | "AT1", http://www.acronymgeek.com/AT1 (accessed February 10, 2012). |
| CBE/CSE | AT1 [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/AT1. |
| Bluebook | AT1, http://www.acronymgeek.com/AT1 (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AT1, http://www.acronymgeek.com/AT1 (optional description here) (as of Feb. 10, 2012, 11:15). |
| AMA | AT1. Acronym Geek. February 10, 2012, 11:15. Available at: http://www.acronymgeek.com/AT1. Accessed February 10, 2012, 11:15. |