| APA | OREC. (2012, February 15). In Acronym Geek. Retrieved 17:39, February 15, 2012, from http://www.acronymgeek.com/OREC |
| MLA | "OREC." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OREC>. |
| MHRA | 'OREC', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OREC> [accessed 15 February 2012] |
| Chicago | "OREC", http://www.acronymgeek.com/OREC (accessed February 15, 2012). |
| CBE/CSE | OREC [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OREC. |
| Bluebook | OREC, http://www.acronymgeek.com/OREC (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OREC, http://www.acronymgeek.com/OREC (optional description here) (as of Feb. 15, 2012, 17:39). |
| AMA | OREC. Acronym Geek. February 15, 2012, 17:39. Available at: http://www.acronymgeek.com/OREC. Accessed February 15, 2012, 17:39. |