| APA | ZIRC. (2012, February 14). In Acronym Geek. Retrieved 18:38, February 14, 2012, from http://www.acronymgeek.com/ZIRC |
| MLA | "ZIRC." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZIRC>. |
| MHRA | 'ZIRC', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZIRC> [accessed 14 February 2012] |
| Chicago | "ZIRC", http://www.acronymgeek.com/ZIRC (accessed February 14, 2012). |
| CBE/CSE | ZIRC [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZIRC. |
| Bluebook | ZIRC, http://www.acronymgeek.com/ZIRC (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZIRC, http://www.acronymgeek.com/ZIRC (optional description here) (as of Feb. 14, 2012, 18:38). |
| AMA | ZIRC. Acronym Geek. February 14, 2012, 18:38. Available at: http://www.acronymgeek.com/ZIRC. Accessed February 14, 2012, 18:38. |