| APA | 5NF. (2012, February 10). In Acronym Geek. Retrieved 16:59, February 10, 2012, from http://www.acronymgeek.com/5NF |
| MLA | "5NF." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/5NF>. |
| MHRA | '5NF', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/5NF> [accessed 10 February 2012] |
| Chicago | "5NF", http://www.acronymgeek.com/5NF (accessed February 10, 2012). |
| CBE/CSE | 5NF [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/5NF. |
| Bluebook | 5NF, http://www.acronymgeek.com/5NF (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 5NF, http://www.acronymgeek.com/5NF (optional description here) (as of Feb. 10, 2012, 16:59). |
| AMA | 5NF. Acronym Geek. February 10, 2012, 16:59. Available at: http://www.acronymgeek.com/5NF. Accessed February 10, 2012, 16:59. |