| APA | YOP. (2012, February 13). In Acronym Geek. Retrieved 22:51, February 13, 2012, from http://www.acronymgeek.com/YOP |
| MLA | "YOP." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/YOP>. |
| MHRA | 'YOP', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/YOP> [accessed 13 February 2012] |
| Chicago | "YOP", http://www.acronymgeek.com/YOP (accessed February 13, 2012). |
| CBE/CSE | YOP [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/YOP. |
| Bluebook | YOP, http://www.acronymgeek.com/YOP (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, YOP, http://www.acronymgeek.com/YOP (optional description here) (as of Feb. 13, 2012, 22:51). |
| AMA | YOP. Acronym Geek. February 13, 2012, 22:51. Available at: http://www.acronymgeek.com/YOP. Accessed February 13, 2012, 22:51. |