| APA | ETUS. (2012, February 16). In Acronym Geek. Retrieved 03:34, February 16, 2012, from http://www.acronymgeek.com/ETUS |
| MLA | "ETUS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ETUS>. |
| MHRA | 'ETUS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ETUS> [accessed 16 February 2012] |
| Chicago | "ETUS", http://www.acronymgeek.com/ETUS (accessed February 16, 2012). |
| CBE/CSE | ETUS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ETUS. |
| Bluebook | ETUS, http://www.acronymgeek.com/ETUS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETUS, http://www.acronymgeek.com/ETUS (optional description here) (as of Feb. 16, 2012, 03:34). |
| AMA | ETUS. Acronym Geek. February 16, 2012, 03:34. Available at: http://www.acronymgeek.com/ETUS. Accessed February 16, 2012, 03:34. |