| APA | EI/DS. (2012, February 12). In Acronym Geek. Retrieved 11:17, February 12, 2012, from http://www.acronymgeek.com/EI/DS |
| MLA | "EI/DS." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/EI/DS>. |
| MHRA | 'EI/DS', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/EI/DS> [accessed 12 February 2012] |
| Chicago | "EI/DS", http://www.acronymgeek.com/EI/DS (accessed February 12, 2012). |
| CBE/CSE | EI/DS [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/EI/DS. |
| Bluebook | EI/DS, http://www.acronymgeek.com/EI/DS (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EI/DS, http://www.acronymgeek.com/EI/DS (optional description here) (as of Feb. 12, 2012, 11:17). |
| AMA | EI/DS. Acronym Geek. February 12, 2012, 11:17. Available at: http://www.acronymgeek.com/EI/DS. Accessed February 12, 2012, 11:17. |