| APA | Z. (2012, February 10). In Acronym Geek. Retrieved 09:38, February 10, 2012, from http://www.acronymgeek.com/Z |
| MLA | "Z." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/Z>. |
| MHRA | 'Z', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/Z> [accessed 10 February 2012] |
| Chicago | "Z", http://www.acronymgeek.com/Z (accessed February 10, 2012). |
| CBE/CSE | Z [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/Z. |
| Bluebook | Z, http://www.acronymgeek.com/Z (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Z, http://www.acronymgeek.com/Z (optional description here) (as of Feb. 10, 2012, 09:38). |
| AMA | Z. Acronym Geek. February 10, 2012, 09:38. Available at: http://www.acronymgeek.com/Z. Accessed February 10, 2012, 09:38. |