| APA | ETZ. (2012, February 11). In Acronym Geek. Retrieved 17:10, February 11, 2012, from http://www.acronymgeek.com/ETZ |
| MLA | "ETZ." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/ETZ>. |
| MHRA | 'ETZ', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/ETZ> [accessed 11 February 2012] |
| Chicago | "ETZ", http://www.acronymgeek.com/ETZ (accessed February 11, 2012). |
| CBE/CSE | ETZ [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/ETZ. |
| Bluebook | ETZ, http://www.acronymgeek.com/ETZ (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETZ, http://www.acronymgeek.com/ETZ (optional description here) (as of Feb. 11, 2012, 17:10). |
| AMA | ETZ. Acronym Geek. February 11, 2012, 17:10. Available at: http://www.acronymgeek.com/ETZ. Accessed February 11, 2012, 17:10. |