| APA | ETB. (2012, February 7). In Acronym Geek. Retrieved 22:47, February 7, 2012, from http://www.acronymgeek.com/ETB |
| MLA | "ETB." Acronym Geek. (2012). Acronym Geek. 7 Feb 2012 <http://www.acronymgeek.com/ETB>. |
| MHRA | 'ETB', Acronym Geek, 7 February 2012, <http://www.acronymgeek.com/ETB> [accessed 7 February 2012] |
| Chicago | "ETB", http://www.acronymgeek.com/ETB (accessed February 7, 2012). |
| CBE/CSE | ETB [Internet]. Acronym Geek; 2012 Feb 7 [cited 2012 Feb 7]. Available from: http://www.acronymgeek.com/ETB. |
| Bluebook | ETB, http://www.acronymgeek.com/ETB (last visited February 7, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETB, http://www.acronymgeek.com/ETB (optional description here) (as of Feb. 7, 2012, 22:47). |
| AMA | ETB. Acronym Geek. February 7, 2012, 22:47. Available at: http://www.acronymgeek.com/ETB. Accessed February 7, 2012, 22:47. |