| APA | USR. (2012, February 14). In Acronym Geek. Retrieved 08:03, February 14, 2012, from http://www.acronymgeek.com/USR |
| MLA | "USR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/USR>. |
| MHRA | 'USR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/USR> [accessed 14 February 2012] |
| Chicago | "USR", http://www.acronymgeek.com/USR (accessed February 14, 2012). |
| CBE/CSE | USR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/USR. |
| Bluebook | USR, http://www.acronymgeek.com/USR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USR, http://www.acronymgeek.com/USR (optional description here) (as of Feb. 14, 2012, 08:03). |
| AMA | USR. Acronym Geek. February 14, 2012, 08:03. Available at: http://www.acronymgeek.com/USR. Accessed February 14, 2012, 08:03. |