| APA | ZRI. (2012, February 14). In Acronym Geek. Retrieved 01:12, February 14, 2012, from http://www.acronymgeek.com/ZRI |
| MLA | "ZRI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZRI>. |
| MHRA | 'ZRI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZRI> [accessed 14 February 2012] |
| Chicago | "ZRI", http://www.acronymgeek.com/ZRI (accessed February 14, 2012). |
| CBE/CSE | ZRI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZRI. |
| Bluebook | ZRI, http://www.acronymgeek.com/ZRI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZRI, http://www.acronymgeek.com/ZRI (optional description here) (as of Feb. 14, 2012, 01:12). |
| AMA | ZRI. Acronym Geek. February 14, 2012, 01:12. Available at: http://www.acronymgeek.com/ZRI. Accessed February 14, 2012, 01:12. |