| APA | PTCR. (2012, February 16). In Acronym Geek. Retrieved 18:26, February 16, 2012, from http://www.acronymgeek.com/PTCR |
| MLA | "PTCR." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PTCR>. |
| MHRA | 'PTCR', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PTCR> [accessed 16 February 2012] |
| Chicago | "PTCR", http://www.acronymgeek.com/PTCR (accessed February 16, 2012). |
| CBE/CSE | PTCR [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PTCR. |
| Bluebook | PTCR, http://www.acronymgeek.com/PTCR (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTCR, http://www.acronymgeek.com/PTCR (optional description here) (as of Feb. 16, 2012, 18:26). |
| AMA | PTCR. Acronym Geek. February 16, 2012, 18:26. Available at: http://www.acronymgeek.com/PTCR. Accessed February 16, 2012, 18:26. |