| APA | CTTR. (2012, February 17). In Acronym Geek. Retrieved 07:31, February 17, 2012, from http://www.acronymgeek.com/CTTR |
| MLA | "CTTR." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/CTTR>. |
| MHRA | 'CTTR', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/CTTR> [accessed 17 February 2012] |
| Chicago | "CTTR", http://www.acronymgeek.com/CTTR (accessed February 17, 2012). |
| CBE/CSE | CTTR [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/CTTR. |
| Bluebook | CTTR, http://www.acronymgeek.com/CTTR (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CTTR, http://www.acronymgeek.com/CTTR (optional description here) (as of Feb. 17, 2012, 07:31). |
| AMA | CTTR. Acronym Geek. February 17, 2012, 07:31. Available at: http://www.acronymgeek.com/CTTR. Accessed February 17, 2012, 07:31. |