| APA | LDEO. (2012, February 15). In Acronym Geek. Retrieved 11:37, February 15, 2012, from http://www.acronymgeek.com/LDEO |
| MLA | "LDEO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/LDEO>. |
| MHRA | 'LDEO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/LDEO> [accessed 15 February 2012] |
| Chicago | "LDEO", http://www.acronymgeek.com/LDEO (accessed February 15, 2012). |
| CBE/CSE | LDEO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/LDEO. |
| Bluebook | LDEO, http://www.acronymgeek.com/LDEO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LDEO, http://www.acronymgeek.com/LDEO (optional description here) (as of Feb. 15, 2012, 11:37). |
| AMA | LDEO. Acronym Geek. February 15, 2012, 11:37. Available at: http://www.acronymgeek.com/LDEO. Accessed February 15, 2012, 11:37. |