| APA | PUWL. (2012, February 15). In Acronym Geek. Retrieved 17:44, February 15, 2012, from http://www.acronymgeek.com/PUWL |
| MLA | "PUWL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PUWL>. |
| MHRA | 'PUWL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PUWL> [accessed 15 February 2012] |
| Chicago | "PUWL", http://www.acronymgeek.com/PUWL (accessed February 15, 2012). |
| CBE/CSE | PUWL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PUWL. |
| Bluebook | PUWL, http://www.acronymgeek.com/PUWL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PUWL, http://www.acronymgeek.com/PUWL (optional description here) (as of Feb. 15, 2012, 17:44). |
| AMA | PUWL. Acronym Geek. February 15, 2012, 17:44. Available at: http://www.acronymgeek.com/PUWL. Accessed February 15, 2012, 17:44. |