| APA | IUP. (2012, February 9). In Acronym Geek. Retrieved 21:09, February 9, 2012, from http://www.acronymgeek.com/IUP |
| MLA | "IUP." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/IUP>. |
| MHRA | 'IUP', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/IUP> [accessed 9 February 2012] |
| Chicago | "IUP", http://www.acronymgeek.com/IUP (accessed February 9, 2012). |
| CBE/CSE | IUP [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/IUP. |
| Bluebook | IUP, http://www.acronymgeek.com/IUP (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IUP, http://www.acronymgeek.com/IUP (optional description here) (as of Feb. 9, 2012, 21:09). |
| AMA | IUP. Acronym Geek. February 9, 2012, 21:09. Available at: http://www.acronymgeek.com/IUP. Accessed February 9, 2012, 21:09. |