| APA | RFO. (2012, February 13). In Acronym Geek. Retrieved 21:21, February 13, 2012, from http://www.acronymgeek.com/RFO |
| MLA | "RFO." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/RFO>. |
| MHRA | 'RFO', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/RFO> [accessed 13 February 2012] |
| Chicago | "RFO", http://www.acronymgeek.com/RFO (accessed February 13, 2012). |
| CBE/CSE | RFO [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/RFO. |
| Bluebook | RFO, http://www.acronymgeek.com/RFO (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RFO, http://www.acronymgeek.com/RFO (optional description here) (as of Feb. 13, 2012, 21:21). |
| AMA | RFO. Acronym Geek. February 13, 2012, 21:21. Available at: http://www.acronymgeek.com/RFO. Accessed February 13, 2012, 21:21. |