| APA | ETWB. (2012, February 15). In Acronym Geek. Retrieved 10:11, February 15, 2012, from http://www.acronymgeek.com/ETWB |
| MLA | "ETWB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ETWB>. |
| MHRA | 'ETWB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ETWB> [accessed 15 February 2012] |
| Chicago | "ETWB", http://www.acronymgeek.com/ETWB (accessed February 15, 2012). |
| CBE/CSE | ETWB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ETWB. |
| Bluebook | ETWB, http://www.acronymgeek.com/ETWB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETWB, http://www.acronymgeek.com/ETWB (optional description here) (as of Feb. 15, 2012, 10:11). |
| AMA | ETWB. Acronym Geek. February 15, 2012, 10:11. Available at: http://www.acronymgeek.com/ETWB. Accessed February 15, 2012, 10:11. |