| APA | CPUD. (2012, February 15). In Acronym Geek. Retrieved 11:58, February 15, 2012, from http://www.acronymgeek.com/CPUD |
| MLA | "CPUD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CPUD>. |
| MHRA | 'CPUD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CPUD> [accessed 15 February 2012] |
| Chicago | "CPUD", http://www.acronymgeek.com/CPUD (accessed February 15, 2012). |
| CBE/CSE | CPUD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CPUD. |
| Bluebook | CPUD, http://www.acronymgeek.com/CPUD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPUD, http://www.acronymgeek.com/CPUD (optional description here) (as of Feb. 15, 2012, 11:58). |
| AMA | CPUD. Acronym Geek. February 15, 2012, 11:58. Available at: http://www.acronymgeek.com/CPUD. Accessed February 15, 2012, 11:58. |