| APA | 9CR. (2012, February 13). In Acronym Geek. Retrieved 21:05, February 13, 2012, from http://www.acronymgeek.com/9CR |
| MLA | "9CR." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/9CR>. |
| MHRA | '9CR', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/9CR> [accessed 13 February 2012] |
| Chicago | "9CR", http://www.acronymgeek.com/9CR (accessed February 13, 2012). |
| CBE/CSE | 9CR [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/9CR. |
| Bluebook | 9CR, http://www.acronymgeek.com/9CR (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 9CR, http://www.acronymgeek.com/9CR (optional description here) (as of Feb. 13, 2012, 21:05). |
| AMA | 9CR. Acronym Geek. February 13, 2012, 21:05. Available at: http://www.acronymgeek.com/9CR. Accessed February 13, 2012, 21:05. |