| APA | OYHL. (2012, February 14). In Acronym Geek. Retrieved 13:59, February 14, 2012, from http://www.acronymgeek.com/OYHL |
| MLA | "OYHL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OYHL>. |
| MHRA | 'OYHL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OYHL> [accessed 14 February 2012] |
| Chicago | "OYHL", http://www.acronymgeek.com/OYHL (accessed February 14, 2012). |
| CBE/CSE | OYHL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OYHL. |
| Bluebook | OYHL, http://www.acronymgeek.com/OYHL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYHL, http://www.acronymgeek.com/OYHL (optional description here) (as of Feb. 14, 2012, 13:59). |
| AMA | OYHL. Acronym Geek. February 14, 2012, 13:59. Available at: http://www.acronymgeek.com/OYHL. Accessed February 14, 2012, 13:59. |