| APA | APCU. (2012, February 17). In Acronym Geek. Retrieved 00:20, February 17, 2012, from http://www.acronymgeek.com/APCU |
| MLA | "APCU." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/APCU>. |
| MHRA | 'APCU', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/APCU> [accessed 17 February 2012] |
| Chicago | "APCU", http://www.acronymgeek.com/APCU (accessed February 17, 2012). |
| CBE/CSE | APCU [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/APCU. |
| Bluebook | APCU, http://www.acronymgeek.com/APCU (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APCU, http://www.acronymgeek.com/APCU (optional description here) (as of Feb. 17, 2012, 00:20). |
| AMA | APCU. Acronym Geek. February 17, 2012, 00:20. Available at: http://www.acronymgeek.com/APCU. Accessed February 17, 2012, 00:20. |