| APA | ARU. (2012, February 13). In Acronym Geek. Retrieved 23:39, February 13, 2012, from http://www.acronymgeek.com/ARU |
| MLA | "ARU." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/ARU>. |
| MHRA | 'ARU', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/ARU> [accessed 13 February 2012] |
| Chicago | "ARU", http://www.acronymgeek.com/ARU (accessed February 13, 2012). |
| CBE/CSE | ARU [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/ARU. |
| Bluebook | ARU, http://www.acronymgeek.com/ARU (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ARU, http://www.acronymgeek.com/ARU (optional description here) (as of Feb. 13, 2012, 23:39). |
| AMA | ARU. Acronym Geek. February 13, 2012, 23:39. Available at: http://www.acronymgeek.com/ARU. Accessed February 13, 2012, 23:39. |