| APA | U/S. (2012, February 10). In Acronym Geek. Retrieved 19:22, February 10, 2012, from http://www.acronymgeek.com/U/S |
| MLA | "U/S." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/U/S>. |
| MHRA | 'U/S', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/U/S> [accessed 10 February 2012] |
| Chicago | "U/S", http://www.acronymgeek.com/U/S (accessed February 10, 2012). |
| CBE/CSE | U/S [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/U/S. |
| Bluebook | U/S, http://www.acronymgeek.com/U/S (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, U/S, http://www.acronymgeek.com/U/S (optional description here) (as of Feb. 10, 2012, 19:22). |
| AMA | U/S. Acronym Geek. February 10, 2012, 19:22. Available at: http://www.acronymgeek.com/U/S. Accessed February 10, 2012, 19:22. |