| APA | NFOE. (2012, February 16). In Acronym Geek. Retrieved 06:57, February 16, 2012, from http://www.acronymgeek.com/NFOE |
| MLA | "NFOE." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NFOE>. |
| MHRA | 'NFOE', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NFOE> [accessed 16 February 2012] |
| Chicago | "NFOE", http://www.acronymgeek.com/NFOE (accessed February 16, 2012). |
| CBE/CSE | NFOE [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NFOE. |
| Bluebook | NFOE, http://www.acronymgeek.com/NFOE (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NFOE, http://www.acronymgeek.com/NFOE (optional description here) (as of Feb. 16, 2012, 06:57). |
| AMA | NFOE. Acronym Geek. February 16, 2012, 06:57. Available at: http://www.acronymgeek.com/NFOE. Accessed February 16, 2012, 06:57. |