| APA | ZRTI. (2012, February 15). In Acronym Geek. Retrieved 23:25, February 15, 2012, from http://www.acronymgeek.com/ZRTI |
| MLA | "ZRTI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ZRTI>. |
| MHRA | 'ZRTI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ZRTI> [accessed 15 February 2012] |
| Chicago | "ZRTI", http://www.acronymgeek.com/ZRTI (accessed February 15, 2012). |
| CBE/CSE | ZRTI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ZRTI. |
| Bluebook | ZRTI, http://www.acronymgeek.com/ZRTI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZRTI, http://www.acronymgeek.com/ZRTI (optional description here) (as of Feb. 15, 2012, 23:25). |
| AMA | ZRTI. Acronym Geek. February 15, 2012, 23:25. Available at: http://www.acronymgeek.com/ZRTI. Accessed February 15, 2012, 23:25. |