| APA | CCXX. (2012, February 11). In Acronym Geek. Retrieved 20:16, February 11, 2012, from http://www.acronymgeek.com/CCXX |
| MLA | "CCXX." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/CCXX>. |
| MHRA | 'CCXX', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/CCXX> [accessed 11 February 2012] |
| Chicago | "CCXX", http://www.acronymgeek.com/CCXX (accessed February 11, 2012). |
| CBE/CSE | CCXX [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/CCXX. |
| Bluebook | CCXX, http://www.acronymgeek.com/CCXX (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CCXX, http://www.acronymgeek.com/CCXX (optional description here) (as of Feb. 11, 2012, 20:16). |
| AMA | CCXX. Acronym Geek. February 11, 2012, 20:16. Available at: http://www.acronymgeek.com/CCXX. Accessed February 11, 2012, 20:16. |