| APA | PKIA. (2012, February 14). In Acronym Geek. Retrieved 00:00, February 14, 2012, from http://www.acronymgeek.com/PKIA |
| MLA | "PKIA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PKIA>. |
| MHRA | 'PKIA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PKIA> [accessed 14 February 2012] |
| Chicago | "PKIA", http://www.acronymgeek.com/PKIA (accessed February 14, 2012). |
| CBE/CSE | PKIA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PKIA. |
| Bluebook | PKIA, http://www.acronymgeek.com/PKIA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PKIA, http://www.acronymgeek.com/PKIA (optional description here) (as of Feb. 14, 2012, 00:00). |
| AMA | PKIA. Acronym Geek. February 14, 2012, 00:00. Available at: http://www.acronymgeek.com/PKIA. Accessed February 14, 2012, 00:00. |