| APA | PIAI. (2012, February 17). In Acronym Geek. Retrieved 06:59, February 17, 2012, from http://www.acronymgeek.com/PIAI |
| MLA | "PIAI." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PIAI>. |
| MHRA | 'PIAI', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PIAI> [accessed 17 February 2012] |
| Chicago | "PIAI", http://www.acronymgeek.com/PIAI (accessed February 17, 2012). |
| CBE/CSE | PIAI [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PIAI. |
| Bluebook | PIAI, http://www.acronymgeek.com/PIAI (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PIAI, http://www.acronymgeek.com/PIAI (optional description here) (as of Feb. 17, 2012, 06:59). |
| AMA | PIAI. Acronym Geek. February 17, 2012, 06:59. Available at: http://www.acronymgeek.com/PIAI. Accessed February 17, 2012, 06:59. |