| APA | AT&T. (2012, February 12). In Acronym Geek. Retrieved 08:32, February 12, 2012, from http://www.acronymgeek.com/AT&T |
| MLA | "AT&T." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/AT&T>. |
| MHRA | 'AT&T', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/AT&T> [accessed 12 February 2012] |
| Chicago | "AT&T", http://www.acronymgeek.com/AT&T (accessed February 12, 2012). |
| CBE/CSE | AT&T [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/AT&T. |
| Bluebook | AT&T, http://www.acronymgeek.com/AT&T (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AT&T, http://www.acronymgeek.com/AT&T (optional description here) (as of Feb. 12, 2012, 08:32). |
| AMA | AT&T. Acronym Geek. February 12, 2012, 08:32. Available at: http://www.acronymgeek.com/AT&T. Accessed February 12, 2012, 08:32. |