| APA | USY. (2012, February 14). In Acronym Geek. Retrieved 06:31, February 14, 2012, from http://www.acronymgeek.com/USY |
| MLA | "USY." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/USY>. |
| MHRA | 'USY', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/USY> [accessed 14 February 2012] |
| Chicago | "USY", http://www.acronymgeek.com/USY (accessed February 14, 2012). |
| CBE/CSE | USY [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/USY. |
| Bluebook | USY, http://www.acronymgeek.com/USY (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USY, http://www.acronymgeek.com/USY (optional description here) (as of Feb. 14, 2012, 06:31). |
| AMA | USY. Acronym Geek. February 14, 2012, 06:31. Available at: http://www.acronymgeek.com/USY. Accessed February 14, 2012, 06:31. |