| APA | ZCID. (2012, February 14). In Acronym Geek. Retrieved 16:23, February 14, 2012, from http://www.acronymgeek.com/ZCID |
| MLA | "ZCID." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZCID>. |
| MHRA | 'ZCID', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZCID> [accessed 14 February 2012] |
| Chicago | "ZCID", http://www.acronymgeek.com/ZCID (accessed February 14, 2012). |
| CBE/CSE | ZCID [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZCID. |
| Bluebook | ZCID, http://www.acronymgeek.com/ZCID (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZCID, http://www.acronymgeek.com/ZCID (optional description here) (as of Feb. 14, 2012, 16:23). |
| AMA | ZCID. Acronym Geek. February 14, 2012, 16:23. Available at: http://www.acronymgeek.com/ZCID. Accessed February 14, 2012, 16:23. |