| APA | A2U. (2012, February 13). In Acronym Geek. Retrieved 22:42, February 13, 2012, from http://www.acronymgeek.com/A2U |
| MLA | "A2U." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/A2U>. |
| MHRA | 'A2U', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/A2U> [accessed 13 February 2012] |
| Chicago | "A2U", http://www.acronymgeek.com/A2U (accessed February 13, 2012). |
| CBE/CSE | A2U [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/A2U. |
| Bluebook | A2U, http://www.acronymgeek.com/A2U (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, A2U, http://www.acronymgeek.com/A2U (optional description here) (as of Feb. 13, 2012, 22:42). |
| AMA | A2U. Acronym Geek. February 13, 2012, 22:42. Available at: http://www.acronymgeek.com/A2U. Accessed February 13, 2012, 22:42. |