| APA | CTLL. (2012, February 14). In Acronym Geek. Retrieved 00:32, February 14, 2012, from http://www.acronymgeek.com/CTLL |
| MLA | "CTLL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/CTLL>. |
| MHRA | 'CTLL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/CTLL> [accessed 14 February 2012] |
| Chicago | "CTLL", http://www.acronymgeek.com/CTLL (accessed February 14, 2012). |
| CBE/CSE | CTLL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/CTLL. |
| Bluebook | CTLL, http://www.acronymgeek.com/CTLL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CTLL, http://www.acronymgeek.com/CTLL (optional description here) (as of Feb. 14, 2012, 00:32). |
| AMA | CTLL. Acronym Geek. February 14, 2012, 00:32. Available at: http://www.acronymgeek.com/CTLL. Accessed February 14, 2012, 00:32. |