| APA | DEN. (2012, February 14). In Acronym Geek. Retrieved 19:42, February 14, 2012, from http://www.acronymgeek.com/DEN |
| MLA | "DEN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DEN>. |
| MHRA | 'DEN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DEN> [accessed 14 February 2012] |
| Chicago | "DEN", http://www.acronymgeek.com/DEN (accessed February 14, 2012). |
| CBE/CSE | DEN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DEN. |
| Bluebook | DEN, http://www.acronymgeek.com/DEN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DEN, http://www.acronymgeek.com/DEN (optional description here) (as of Feb. 14, 2012, 19:42). |
| AMA | DEN. Acronym Geek. February 14, 2012, 19:42. Available at: http://www.acronymgeek.com/DEN. Accessed February 14, 2012, 19:42. |