| APA | OERA. (2012, February 14). In Acronym Geek. Retrieved 19:57, February 14, 2012, from http://www.acronymgeek.com/OERA |
| MLA | "OERA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OERA>. |
| MHRA | 'OERA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OERA> [accessed 14 February 2012] |
| Chicago | "OERA", http://www.acronymgeek.com/OERA (accessed February 14, 2012). |
| CBE/CSE | OERA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OERA. |
| Bluebook | OERA, http://www.acronymgeek.com/OERA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OERA, http://www.acronymgeek.com/OERA (optional description here) (as of Feb. 14, 2012, 19:57). |
| AMA | OERA. Acronym Geek. February 14, 2012, 19:57. Available at: http://www.acronymgeek.com/OERA. Accessed February 14, 2012, 19:57. |