| APA | ETWR. (2012, February 16). In Acronym Geek. Retrieved 10:22, February 16, 2012, from http://www.acronymgeek.com/ETWR |
| MLA | "ETWR." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ETWR>. |
| MHRA | 'ETWR', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ETWR> [accessed 16 February 2012] |
| Chicago | "ETWR", http://www.acronymgeek.com/ETWR (accessed February 16, 2012). |
| CBE/CSE | ETWR [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ETWR. |
| Bluebook | ETWR, http://www.acronymgeek.com/ETWR (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETWR, http://www.acronymgeek.com/ETWR (optional description here) (as of Feb. 16, 2012, 10:22). |
| AMA | ETWR. Acronym Geek. February 16, 2012, 10:22. Available at: http://www.acronymgeek.com/ETWR. Accessed February 16, 2012, 10:22. |