| APA | 2Z. (2012, February 11). In Acronym Geek. Retrieved 21:52, February 11, 2012, from http://www.acronymgeek.com/2Z |
| MLA | "2Z." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/2Z>. |
| MHRA | '2Z', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/2Z> [accessed 11 February 2012] |
| Chicago | "2Z", http://www.acronymgeek.com/2Z (accessed February 11, 2012). |
| CBE/CSE | 2Z [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/2Z. |
| Bluebook | 2Z, http://www.acronymgeek.com/2Z (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 2Z, http://www.acronymgeek.com/2Z (optional description here) (as of Feb. 11, 2012, 21:52). |
| AMA | 2Z. Acronym Geek. February 11, 2012, 21:52. Available at: http://www.acronymgeek.com/2Z. Accessed February 11, 2012, 21:52. |