| APA | ZIPI. (2012, February 14). In Acronym Geek. Retrieved 15:16, February 14, 2012, from http://www.acronymgeek.com/ZIPI |
| MLA | "ZIPI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZIPI>. |
| MHRA | 'ZIPI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZIPI> [accessed 14 February 2012] |
| Chicago | "ZIPI", http://www.acronymgeek.com/ZIPI (accessed February 14, 2012). |
| CBE/CSE | ZIPI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZIPI. |
| Bluebook | ZIPI, http://www.acronymgeek.com/ZIPI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZIPI, http://www.acronymgeek.com/ZIPI (optional description here) (as of Feb. 14, 2012, 15:16). |
| AMA | ZIPI. Acronym Geek. February 14, 2012, 15:16. Available at: http://www.acronymgeek.com/ZIPI. Accessed February 14, 2012, 15:16. |