| Style | Reference Text |
|---|
| APA | 21CN. (2012, May 16). In All Acronyms. Retrieved 20:43, May 16, 2012, from http://www.all-acronyms.com/21CN |
| MLA | "21CN." All Acronyms. 16 May 2012, 20:43. All Acronyms. 16 May 2012 <http://www.all-acronyms.com/21CN>. |
| MHRA | '21CN', All Acronyms, 16 May 2012, 20:43, <http://www.all-acronyms.com/21CN> [accessed 16 May 2012] |
| Chicago | "21CN," http://www.all-acronyms.com/21CN (accessed May 16, 2012). |
| CBE/CSE | 21CN [Internet]. All Acronyms; 2012 May 16, 20:43 [cited 2012 May 16]. Available from: http://www.all-acronyms.com/21CN. |
| Bluebook | 21CN, http://www.all-acronyms.com/21CN (last visited May 16, 2012). |
| Bluebook: Harvard JOLT | See All Acronyms, 21CN, http://www.all-acronyms.com/21CN (optional description here) (as of May. 16, 2012, 20:43). |
| AMA | 21CN. All Acronyms. May 16, 2012, 20:43. Available at: http://www.all-acronyms.com/21CN. Accessed May 16, 2012. |
21st Century Network