| APA | UN. (2012, February 8). In Acronym Geek. Retrieved 19:26, February 8, 2012, from http://www.acronymgeek.com/UN |
| MLA | "UN." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/UN>. |
| MHRA | 'UN', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/UN> [accessed 8 February 2012] |
| Chicago | "UN", http://www.acronymgeek.com/UN (accessed February 8, 2012). |
| CBE/CSE | UN [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/UN. |
| Bluebook | UN, http://www.acronymgeek.com/UN (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UN, http://www.acronymgeek.com/UN (optional description here) (as of Feb. 8, 2012, 19:26). |
| AMA | UN. Acronym Geek. February 8, 2012, 19:26. Available at: http://www.acronymgeek.com/UN. Accessed February 8, 2012, 19:26. |