| APA | YSO. (2012, February 10). In Acronym Geek. Retrieved 10:48, February 10, 2012, from http://www.acronymgeek.com/YSO |
| MLA | "YSO." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/YSO>. |
| MHRA | 'YSO', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/YSO> [accessed 10 February 2012] |
| Chicago | "YSO", http://www.acronymgeek.com/YSO (accessed February 10, 2012). |
| CBE/CSE | YSO [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/YSO. |
| Bluebook | YSO, http://www.acronymgeek.com/YSO (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, YSO, http://www.acronymgeek.com/YSO (optional description here) (as of Feb. 10, 2012, 10:48). |
| AMA | YSO. Acronym Geek. February 10, 2012, 10:48. Available at: http://www.acronymgeek.com/YSO. Accessed February 10, 2012, 10:48. |