| APA | ETWT. (2012, February 15). In Acronym Geek. Retrieved 04:34, February 15, 2012, from http://www.acronymgeek.com/ETWT |
| MLA | "ETWT." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ETWT>. |
| MHRA | 'ETWT', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ETWT> [accessed 15 February 2012] |
| Chicago | "ETWT", http://www.acronymgeek.com/ETWT (accessed February 15, 2012). |
| CBE/CSE | ETWT [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ETWT. |
| Bluebook | ETWT, http://www.acronymgeek.com/ETWT (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETWT, http://www.acronymgeek.com/ETWT (optional description here) (as of Feb. 15, 2012, 04:34). |
| AMA | ETWT. Acronym Geek. February 15, 2012, 04:34. Available at: http://www.acronymgeek.com/ETWT. Accessed February 15, 2012, 04:34. |