| APA | RJO. (2012, February 13). In Acronym Geek. Retrieved 22:58, February 13, 2012, from http://www.acronymgeek.com/RJO |
| MLA | "RJO." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/RJO>. |
| MHRA | 'RJO', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/RJO> [accessed 13 February 2012] |
| Chicago | "RJO", http://www.acronymgeek.com/RJO (accessed February 13, 2012). |
| CBE/CSE | RJO [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/RJO. |
| Bluebook | RJO, http://www.acronymgeek.com/RJO (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RJO, http://www.acronymgeek.com/RJO (optional description here) (as of Feb. 13, 2012, 22:58). |
| AMA | RJO. Acronym Geek. February 13, 2012, 22:58. Available at: http://www.acronymgeek.com/RJO. Accessed February 13, 2012, 22:58. |