| APA | PICN. (2012, February 15). In Acronym Geek. Retrieved 20:58, February 15, 2012, from http://www.acronymgeek.com/PICN |
| MLA | "PICN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PICN>. |
| MHRA | 'PICN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PICN> [accessed 15 February 2012] |
| Chicago | "PICN", http://www.acronymgeek.com/PICN (accessed February 15, 2012). |
| CBE/CSE | PICN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PICN. |
| Bluebook | PICN, http://www.acronymgeek.com/PICN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PICN, http://www.acronymgeek.com/PICN (optional description here) (as of Feb. 15, 2012, 20:58). |
| AMA | PICN. Acronym Geek. February 15, 2012, 20:58. Available at: http://www.acronymgeek.com/PICN. Accessed February 15, 2012, 20:58. |