| APA | PCU. (2012, February 13). In Acronym Geek. Retrieved 21:00, February 13, 2012, from http://www.acronymgeek.com/PCU |
| MLA | "PCU." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/PCU>. |
| MHRA | 'PCU', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/PCU> [accessed 13 February 2012] |
| Chicago | "PCU", http://www.acronymgeek.com/PCU (accessed February 13, 2012). |
| CBE/CSE | PCU [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/PCU. |
| Bluebook | PCU, http://www.acronymgeek.com/PCU (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PCU, http://www.acronymgeek.com/PCU (optional description here) (as of Feb. 13, 2012, 21:00). |
| AMA | PCU. Acronym Geek. February 13, 2012, 21:00. Available at: http://www.acronymgeek.com/PCU. Accessed February 13, 2012, 21:00. |