| APA | OYFS. (2012, February 15). In Acronym Geek. Retrieved 08:40, February 15, 2012, from http://www.acronymgeek.com/OYFS |
| MLA | "OYFS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OYFS>. |
| MHRA | 'OYFS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OYFS> [accessed 15 February 2012] |
| Chicago | "OYFS", http://www.acronymgeek.com/OYFS (accessed February 15, 2012). |
| CBE/CSE | OYFS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OYFS. |
| Bluebook | OYFS, http://www.acronymgeek.com/OYFS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYFS, http://www.acronymgeek.com/OYFS (optional description here) (as of Feb. 15, 2012, 08:40). |
| AMA | OYFS. Acronym Geek. February 15, 2012, 08:40. Available at: http://www.acronymgeek.com/OYFS. Accessed February 15, 2012, 08:40. |