| APA | ODL. (2012, February 10). In Acronym Geek. Retrieved 10:57, February 10, 2012, from http://www.acronymgeek.com/ODL |
| MLA | "ODL." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/ODL>. |
| MHRA | 'ODL', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/ODL> [accessed 10 February 2012] |
| Chicago | "ODL", http://www.acronymgeek.com/ODL (accessed February 10, 2012). |
| CBE/CSE | ODL [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/ODL. |
| Bluebook | ODL, http://www.acronymgeek.com/ODL (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ODL, http://www.acronymgeek.com/ODL (optional description here) (as of Feb. 10, 2012, 10:57). |
| AMA | ODL. Acronym Geek. February 10, 2012, 10:57. Available at: http://www.acronymgeek.com/ODL. Accessed February 10, 2012, 10:57. |