| APA | OYP. (2012, February 14). In Acronym Geek. Retrieved 09:54, February 14, 2012, from http://www.acronymgeek.com/OYP |
| MLA | "OYP." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OYP>. |
| MHRA | 'OYP', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OYP> [accessed 14 February 2012] |
| Chicago | "OYP", http://www.acronymgeek.com/OYP (accessed February 14, 2012). |
| CBE/CSE | OYP [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OYP. |
| Bluebook | OYP, http://www.acronymgeek.com/OYP (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYP, http://www.acronymgeek.com/OYP (optional description here) (as of Feb. 14, 2012, 09:54). |
| AMA | OYP. Acronym Geek. February 14, 2012, 09:54. Available at: http://www.acronymgeek.com/OYP. Accessed February 14, 2012, 09:54. |