| Style | Reference Text |
|---|
| APA | 4R. (2009, November 23). In All Acronyms. Retrieved 04:22, November 23, 2009, from http://www.all-acronyms.com/4R |
| MLA | "4R." All Acronyms. 23 Nov 2009, 04:22. All Acronyms. 23 Nov 2009 <http://www.all-acronyms.com/4R>. |
| MHRA | '4R', All Acronyms, 23 November 2009, 04:22, <http://www.all-acronyms.com/4R> [accessed 23 November 2009] |
| Chicago | "4R," http://www.all-acronyms.com/4R (accessed November 23, 2009). |
| CBE/CSE | 4R [Internet]. All Acronyms; 2009 Nov 23, 04:22 [cited 2009 Nov 23]. Available from: http://www.all-acronyms.com/4R. |
| Bluebook | 4R, http://www.all-acronyms.com/4R (last visited November 23, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, 4R, http://www.all-acronyms.com/4R (optional description here) (as of Nov. 23, 2009, 04:22). |
| AMA | 4R. All Acronyms. November 23, 2009, 04:22. Available at: http://www.all-acronyms.com/4R. Accessed November 23, 2009. |
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