| APA | 9C. (2012, February 14). In Acronym Geek. Retrieved 06:13, February 14, 2012, from http://www.acronymgeek.com/9C |
| MLA | "9C." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/9C>. |
| MHRA | '9C', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/9C> [accessed 14 February 2012] |
| Chicago | "9C", http://www.acronymgeek.com/9C (accessed February 14, 2012). |
| CBE/CSE | 9C [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/9C. |
| Bluebook | 9C, http://www.acronymgeek.com/9C (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 9C, http://www.acronymgeek.com/9C (optional description here) (as of Feb. 14, 2012, 06:13). |
| AMA | 9C. Acronym Geek. February 14, 2012, 06:13. Available at: http://www.acronymgeek.com/9C. Accessed February 14, 2012, 06:13. |