| APA | QWPI. (2012, February 15). In Acronym Geek. Retrieved 02:26, February 15, 2012, from http://www.acronymgeek.com/QWPI |
| MLA | "QWPI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QWPI>. |
| MHRA | 'QWPI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QWPI> [accessed 15 February 2012] |
| Chicago | "QWPI", http://www.acronymgeek.com/QWPI (accessed February 15, 2012). |
| CBE/CSE | QWPI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QWPI. |
| Bluebook | QWPI, http://www.acronymgeek.com/QWPI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QWPI, http://www.acronymgeek.com/QWPI (optional description here) (as of Feb. 15, 2012, 02:26). |
| AMA | QWPI. Acronym Geek. February 15, 2012, 02:26. Available at: http://www.acronymgeek.com/QWPI. Accessed February 15, 2012, 02:26. |