| APA | ETM. (2012, February 14). In Acronym Geek. Retrieved 02:34, February 14, 2012, from http://www.acronymgeek.com/ETM |
| MLA | "ETM." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ETM>. |
| MHRA | 'ETM', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ETM> [accessed 14 February 2012] |
| Chicago | "ETM", http://www.acronymgeek.com/ETM (accessed February 14, 2012). |
| CBE/CSE | ETM [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ETM. |
| Bluebook | ETM, http://www.acronymgeek.com/ETM (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETM, http://www.acronymgeek.com/ETM (optional description here) (as of Feb. 14, 2012, 02:34). |
| AMA | ETM. Acronym Geek. February 14, 2012, 02:34. Available at: http://www.acronymgeek.com/ETM. Accessed February 14, 2012, 02:34. |