| APA | PTQ. (2012, February 14). In Acronym Geek. Retrieved 03:57, February 14, 2012, from http://www.acronymgeek.com/PTQ |
| MLA | "PTQ." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PTQ>. |
| MHRA | 'PTQ', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PTQ> [accessed 14 February 2012] |
| Chicago | "PTQ", http://www.acronymgeek.com/PTQ (accessed February 14, 2012). |
| CBE/CSE | PTQ [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PTQ. |
| Bluebook | PTQ, http://www.acronymgeek.com/PTQ (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTQ, http://www.acronymgeek.com/PTQ (optional description here) (as of Feb. 14, 2012, 03:57). |
| AMA | PTQ. Acronym Geek. February 14, 2012, 03:57. Available at: http://www.acronymgeek.com/PTQ. Accessed February 14, 2012, 03:57. |