| APA | ULOS. (2012, February 15). In Acronym Geek. Retrieved 04:05, February 15, 2012, from http://www.acronymgeek.com/ULOS |
| MLA | "ULOS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ULOS>. |
| MHRA | 'ULOS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ULOS> [accessed 15 February 2012] |
| Chicago | "ULOS", http://www.acronymgeek.com/ULOS (accessed February 15, 2012). |
| CBE/CSE | ULOS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ULOS. |
| Bluebook | ULOS, http://www.acronymgeek.com/ULOS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ULOS, http://www.acronymgeek.com/ULOS (optional description here) (as of Feb. 15, 2012, 04:05). |
| AMA | ULOS. Acronym Geek. February 15, 2012, 04:05. Available at: http://www.acronymgeek.com/ULOS. Accessed February 15, 2012, 04:05. |