| APA | OSOR. (2012, February 15). In Acronym Geek. Retrieved 18:24, February 15, 2012, from http://www.acronymgeek.com/OSOR |
| MLA | "OSOR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OSOR>. |
| MHRA | 'OSOR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OSOR> [accessed 15 February 2012] |
| Chicago | "OSOR", http://www.acronymgeek.com/OSOR (accessed February 15, 2012). |
| CBE/CSE | OSOR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OSOR. |
| Bluebook | OSOR, http://www.acronymgeek.com/OSOR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OSOR, http://www.acronymgeek.com/OSOR (optional description here) (as of Feb. 15, 2012, 18:24). |
| AMA | OSOR. Acronym Geek. February 15, 2012, 18:24. Available at: http://www.acronymgeek.com/OSOR. Accessed February 15, 2012, 18:24. |