| APA | PIZA. (2012, February 17). In Acronym Geek. Retrieved 05:33, February 17, 2012, from http://www.acronymgeek.com/PIZA |
| MLA | "PIZA." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PIZA>. |
| MHRA | 'PIZA', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PIZA> [accessed 17 February 2012] |
| Chicago | "PIZA", http://www.acronymgeek.com/PIZA (accessed February 17, 2012). |
| CBE/CSE | PIZA [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PIZA. |
| Bluebook | PIZA, http://www.acronymgeek.com/PIZA (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PIZA, http://www.acronymgeek.com/PIZA (optional description here) (as of Feb. 17, 2012, 05:33). |
| AMA | PIZA. Acronym Geek. February 17, 2012, 05:33. Available at: http://www.acronymgeek.com/PIZA. Accessed February 17, 2012, 05:33. |