| APA | IMPU. (2012, February 16). In Acronym Geek. Retrieved 20:11, February 16, 2012, from http://www.acronymgeek.com/IMPU |
| MLA | "IMPU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/IMPU>. |
| MHRA | 'IMPU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/IMPU> [accessed 16 February 2012] |
| Chicago | "IMPU", http://www.acronymgeek.com/IMPU (accessed February 16, 2012). |
| CBE/CSE | IMPU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/IMPU. |
| Bluebook | IMPU, http://www.acronymgeek.com/IMPU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IMPU, http://www.acronymgeek.com/IMPU (optional description here) (as of Feb. 16, 2012, 20:11). |
| AMA | IMPU. Acronym Geek. February 16, 2012, 20:11. Available at: http://www.acronymgeek.com/IMPU. Accessed February 16, 2012, 20:11. |