| Style | Reference Text |
|---|
| APA | RA-221. (2009, November 27). In All Acronyms. Retrieved 01:38, November 27, 2009, from http://www.all-acronyms.com/RA-221 |
| MLA | "RA-221." All Acronyms. 27 Nov 2009, 01:38. All Acronyms. 27 Nov 2009 <http://www.all-acronyms.com/RA-221>. |
| MHRA | 'RA-221', All Acronyms, 27 November 2009, 01:38, <http://www.all-acronyms.com/RA-221> [accessed 27 November 2009] |
| Chicago | "RA-221," http://www.all-acronyms.com/RA-221 (accessed November 27, 2009). |
| CBE/CSE | RA-221 [Internet]. All Acronyms; 2009 Nov 27, 01:38 [cited 2009 Nov 27]. Available from: http://www.all-acronyms.com/RA-221. |
| Bluebook | RA-221, http://www.all-acronyms.com/RA-221 (last visited November 27, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, RA-221, http://www.all-acronyms.com/RA-221 (optional description here) (as of Nov. 27, 2009, 01:38). |
| AMA | RA-221. All Acronyms. November 27, 2009, 01:38. Available at: http://www.all-acronyms.com/RA-221. Accessed November 27, 2009. |
Radium-221