| APA | PUED. (2012, February 15). In Acronym Geek. Retrieved 20:06, February 15, 2012, from http://www.acronymgeek.com/PUED |
| MLA | "PUED." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PUED>. |
| MHRA | 'PUED', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PUED> [accessed 15 February 2012] |
| Chicago | "PUED", http://www.acronymgeek.com/PUED (accessed February 15, 2012). |
| CBE/CSE | PUED [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PUED. |
| Bluebook | PUED, http://www.acronymgeek.com/PUED (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PUED, http://www.acronymgeek.com/PUED (optional description here) (as of Feb. 15, 2012, 20:06). |
| AMA | PUED. Acronym Geek. February 15, 2012, 20:06. Available at: http://www.acronymgeek.com/PUED. Accessed February 15, 2012, 20:06. |