| APA | PUU. (2012, February 15). In Acronym Geek. Retrieved 03:39, February 15, 2012, from http://www.acronymgeek.com/PUU |
| MLA | "PUU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PUU>. |
| MHRA | 'PUU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PUU> [accessed 15 February 2012] |
| Chicago | "PUU", http://www.acronymgeek.com/PUU (accessed February 15, 2012). |
| CBE/CSE | PUU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PUU. |
| Bluebook | PUU, http://www.acronymgeek.com/PUU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PUU, http://www.acronymgeek.com/PUU (optional description here) (as of Feb. 15, 2012, 03:39). |
| AMA | PUU. Acronym Geek. February 15, 2012, 03:39. Available at: http://www.acronymgeek.com/PUU. Accessed February 15, 2012, 03:39. |