| APA | ZRCH. (2012, February 16). In Acronym Geek. Retrieved 07:55, February 16, 2012, from http://www.acronymgeek.com/ZRCH |
| MLA | "ZRCH." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ZRCH>. |
| MHRA | 'ZRCH', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ZRCH> [accessed 16 February 2012] |
| Chicago | "ZRCH", http://www.acronymgeek.com/ZRCH (accessed February 16, 2012). |
| CBE/CSE | ZRCH [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ZRCH. |
| Bluebook | ZRCH, http://www.acronymgeek.com/ZRCH (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZRCH, http://www.acronymgeek.com/ZRCH (optional description here) (as of Feb. 16, 2012, 07:55). |
| AMA | ZRCH. Acronym Geek. February 16, 2012, 07:55. Available at: http://www.acronymgeek.com/ZRCH. Accessed February 16, 2012, 07:55. |