| APA | DLEO. (2012, February 16). In Acronym Geek. Retrieved 20:43, February 16, 2012, from http://www.acronymgeek.com/DLEO |
| MLA | "DLEO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DLEO>. |
| MHRA | 'DLEO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DLEO> [accessed 16 February 2012] |
| Chicago | "DLEO", http://www.acronymgeek.com/DLEO (accessed February 16, 2012). |
| CBE/CSE | DLEO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DLEO. |
| Bluebook | DLEO, http://www.acronymgeek.com/DLEO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DLEO, http://www.acronymgeek.com/DLEO (optional description here) (as of Feb. 16, 2012, 20:43). |
| AMA | DLEO. Acronym Geek. February 16, 2012, 20:43. Available at: http://www.acronymgeek.com/DLEO. Accessed February 16, 2012, 20:43. |