| APA | PTCCN. (2012, February 12). In Acronym Geek. Retrieved 16:44, February 12, 2012, from http://www.acronymgeek.com/PTCCN |
| MLA | "PTCCN." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PTCCN>. |
| MHRA | 'PTCCN', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PTCCN> [accessed 12 February 2012] |
| Chicago | "PTCCN", http://www.acronymgeek.com/PTCCN (accessed February 12, 2012). |
| CBE/CSE | PTCCN [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PTCCN. |
| Bluebook | PTCCN, http://www.acronymgeek.com/PTCCN (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTCCN, http://www.acronymgeek.com/PTCCN (optional description here) (as of Feb. 12, 2012, 16:44). |
| AMA | PTCCN. Acronym Geek. February 12, 2012, 16:44. Available at: http://www.acronymgeek.com/PTCCN. Accessed February 12, 2012, 16:44. |