| APA | C3. (2012, February 9). In Acronym Geek. Retrieved 14:15, February 9, 2012, from http://www.acronymgeek.com/C3 |
| MLA | "C3." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/C3>. |
| MHRA | 'C3', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/C3> [accessed 9 February 2012] |
| Chicago | "C3", http://www.acronymgeek.com/C3 (accessed February 9, 2012). |
| CBE/CSE | C3 [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/C3. |
| Bluebook | C3, http://www.acronymgeek.com/C3 (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, C3, http://www.acronymgeek.com/C3 (optional description here) (as of Feb. 9, 2012, 14:15). |
| AMA | C3. Acronym Geek. February 9, 2012, 14:15. Available at: http://www.acronymgeek.com/C3. Accessed February 9, 2012, 14:15. |