| APA | ZIR. (2012, February 14). In Acronym Geek. Retrieved 20:47, February 14, 2012, from http://www.acronymgeek.com/ZIR |
| MLA | "ZIR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZIR>. |
| MHRA | 'ZIR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZIR> [accessed 14 February 2012] |
| Chicago | "ZIR", http://www.acronymgeek.com/ZIR (accessed February 14, 2012). |
| CBE/CSE | ZIR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZIR. |
| Bluebook | ZIR, http://www.acronymgeek.com/ZIR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZIR, http://www.acronymgeek.com/ZIR (optional description here) (as of Feb. 14, 2012, 20:47). |
| AMA | ZIR. Acronym Geek. February 14, 2012, 20:47. Available at: http://www.acronymgeek.com/ZIR. Accessed February 14, 2012, 20:47. |