| Style | Reference Text |
|---|
| APA | 4NF. (2009, November 23). In All Acronyms. Retrieved 00:29, November 23, 2009, from http://www.all-acronyms.com/4NF |
| MLA | "4NF." All Acronyms. 23 Nov 2009, 00:29. All Acronyms. 23 Nov 2009 <http://www.all-acronyms.com/4NF>. |
| MHRA | '4NF', All Acronyms, 23 November 2009, 00:29, <http://www.all-acronyms.com/4NF> [accessed 23 November 2009] |
| Chicago | "4NF," http://www.all-acronyms.com/4NF (accessed November 23, 2009). |
| CBE/CSE | 4NF [Internet]. All Acronyms; 2009 Nov 23, 00:29 [cited 2009 Nov 23]. Available from: http://www.all-acronyms.com/4NF. |
| Bluebook | 4NF, http://www.all-acronyms.com/4NF (last visited November 23, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, 4NF, http://www.all-acronyms.com/4NF (optional description here) (as of Nov. 23, 2009, 00:29). |
| AMA | 4NF. All Acronyms. November 23, 2009, 00:29. Available at: http://www.all-acronyms.com/4NF. Accessed November 23, 2009. |