| APA | ETWA. (2012, February 16). In Acronym Geek. Retrieved 01:51, February 16, 2012, from http://www.acronymgeek.com/ETWA |
| MLA | "ETWA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ETWA>. |
| MHRA | 'ETWA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ETWA> [accessed 16 February 2012] |
| Chicago | "ETWA", http://www.acronymgeek.com/ETWA (accessed February 16, 2012). |
| CBE/CSE | ETWA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ETWA. |
| Bluebook | ETWA, http://www.acronymgeek.com/ETWA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETWA, http://www.acronymgeek.com/ETWA (optional description here) (as of Feb. 16, 2012, 01:51). |
| AMA | ETWA. Acronym Geek. February 16, 2012, 01:51. Available at: http://www.acronymgeek.com/ETWA. Accessed February 16, 2012, 01:51. |