| APA | NREO. (2012, February 16). In Acronym Geek. Retrieved 08:45, February 16, 2012, from http://www.acronymgeek.com/NREO |
| MLA | "NREO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NREO>. |
| MHRA | 'NREO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NREO> [accessed 16 February 2012] |
| Chicago | "NREO", http://www.acronymgeek.com/NREO (accessed February 16, 2012). |
| CBE/CSE | NREO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NREO. |
| Bluebook | NREO, http://www.acronymgeek.com/NREO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NREO, http://www.acronymgeek.com/NREO (optional description here) (as of Feb. 16, 2012, 08:45). |
| AMA | NREO. Acronym Geek. February 16, 2012, 08:45. Available at: http://www.acronymgeek.com/NREO. Accessed February 16, 2012, 08:45. |