| APA | CPUI. (2012, February 17). In Acronym Geek. Retrieved 07:09, February 17, 2012, from http://www.acronymgeek.com/CPUI |
| MLA | "CPUI." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/CPUI>. |
| MHRA | 'CPUI', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/CPUI> [accessed 17 February 2012] |
| Chicago | "CPUI", http://www.acronymgeek.com/CPUI (accessed February 17, 2012). |
| CBE/CSE | CPUI [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/CPUI. |
| Bluebook | CPUI, http://www.acronymgeek.com/CPUI (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPUI, http://www.acronymgeek.com/CPUI (optional description here) (as of Feb. 17, 2012, 07:09). |
| AMA | CPUI. Acronym Geek. February 17, 2012, 07:09. Available at: http://www.acronymgeek.com/CPUI. Accessed February 17, 2012, 07:09. |