| Style | Reference Text |
|---|
| APA | R4. (2012, May 27). In All Acronyms. Retrieved 04:31, May 27, 2012, from http://www.all-acronyms.com/R4 |
| MLA | "R4." All Acronyms. 27 May 2012, 04:31. All Acronyms. 27 May 2012 <http://www.all-acronyms.com/R4>. |
| MHRA | 'R4', All Acronyms, 27 May 2012, 04:31, <http://www.all-acronyms.com/R4> [accessed 27 May 2012] |
| Chicago | "R4," http://www.all-acronyms.com/R4 (accessed May 27, 2012). |
| CBE/CSE | R4 [Internet]. All Acronyms; 2012 May 27, 04:31 [cited 2012 May 27]. Available from: http://www.all-acronyms.com/R4. |
| Bluebook | R4, http://www.all-acronyms.com/R4 (last visited May 27, 2012). |
| Bluebook: Harvard JOLT | See All Acronyms, R4, http://www.all-acronyms.com/R4 (optional description here) (as of May. 27, 2012, 04:31). |
| AMA | R4. All Acronyms. May 27, 2012, 04:31. Available at: http://www.all-acronyms.com/R4. Accessed May 27, 2012. |
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