| APA | E3D. (2012, February 12). In Acronym Geek. Retrieved 07:06, February 12, 2012, from http://www.acronymgeek.com/E3D |
| MLA | "E3D." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/E3D>. |
| MHRA | 'E3D', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/E3D> [accessed 12 February 2012] |
| Chicago | "E3D", http://www.acronymgeek.com/E3D (accessed February 12, 2012). |
| CBE/CSE | E3D [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/E3D. |
| Bluebook | E3D, http://www.acronymgeek.com/E3D (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, E3D, http://www.acronymgeek.com/E3D (optional description here) (as of Feb. 12, 2012, 07:06). |
| AMA | E3D. Acronym Geek. February 12, 2012, 07:06. Available at: http://www.acronymgeek.com/E3D. Accessed February 12, 2012, 07:06. |