| APA | PTCQ. (2012, February 15). In Acronym Geek. Retrieved 11:03, February 15, 2012, from http://www.acronymgeek.com/PTCQ |
| MLA | "PTCQ." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PTCQ>. |
| MHRA | 'PTCQ', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PTCQ> [accessed 15 February 2012] |
| Chicago | "PTCQ", http://www.acronymgeek.com/PTCQ (accessed February 15, 2012). |
| CBE/CSE | PTCQ [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PTCQ. |
| Bluebook | PTCQ, http://www.acronymgeek.com/PTCQ (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTCQ, http://www.acronymgeek.com/PTCQ (optional description here) (as of Feb. 15, 2012, 11:03). |
| AMA | PTCQ. Acronym Geek. February 15, 2012, 11:03. Available at: http://www.acronymgeek.com/PTCQ. Accessed February 15, 2012, 11:03. |