| APA | DGEI. (2012, February 15). In Acronym Geek. Retrieved 13:49, February 15, 2012, from http://www.acronymgeek.com/DGEI |
| MLA | "DGEI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DGEI>. |
| MHRA | 'DGEI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DGEI> [accessed 15 February 2012] |
| Chicago | "DGEI", http://www.acronymgeek.com/DGEI (accessed February 15, 2012). |
| CBE/CSE | DGEI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DGEI. |
| Bluebook | DGEI, http://www.acronymgeek.com/DGEI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DGEI, http://www.acronymgeek.com/DGEI (optional description here) (as of Feb. 15, 2012, 13:49). |
| AMA | DGEI. Acronym Geek. February 15, 2012, 13:49. Available at: http://www.acronymgeek.com/DGEI. Accessed February 15, 2012, 13:49. |