| APA | ZIPA. (2012, February 15). In Acronym Geek. Retrieved 03:53, February 15, 2012, from http://www.acronymgeek.com/ZIPA |
| MLA | "ZIPA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ZIPA>. |
| MHRA | 'ZIPA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ZIPA> [accessed 15 February 2012] |
| Chicago | "ZIPA", http://www.acronymgeek.com/ZIPA (accessed February 15, 2012). |
| CBE/CSE | ZIPA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ZIPA. |
| Bluebook | ZIPA, http://www.acronymgeek.com/ZIPA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZIPA, http://www.acronymgeek.com/ZIPA (optional description here) (as of Feb. 15, 2012, 03:53). |
| AMA | ZIPA. Acronym Geek. February 15, 2012, 03:53. Available at: http://www.acronymgeek.com/ZIPA. Accessed February 15, 2012, 03:53. |