| APA | ZX. (2012, February 10). In Acronym Geek. Retrieved 10:36, February 10, 2012, from http://www.acronymgeek.com/ZX |
| MLA | "ZX." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/ZX>. |
| MHRA | 'ZX', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/ZX> [accessed 10 February 2012] |
| Chicago | "ZX", http://www.acronymgeek.com/ZX (accessed February 10, 2012). |
| CBE/CSE | ZX [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/ZX. |
| Bluebook | ZX, http://www.acronymgeek.com/ZX (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZX, http://www.acronymgeek.com/ZX (optional description here) (as of Feb. 10, 2012, 10:36). |
| AMA | ZX. Acronym Geek. February 10, 2012, 10:36. Available at: http://www.acronymgeek.com/ZX. Accessed February 10, 2012, 10:36. |