| APA | OBDE. (2012, February 16). In Acronym Geek. Retrieved 14:56, February 16, 2012, from http://www.acronymgeek.com/OBDE |
| MLA | "OBDE." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OBDE>. |
| MHRA | 'OBDE', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OBDE> [accessed 16 February 2012] |
| Chicago | "OBDE", http://www.acronymgeek.com/OBDE (accessed February 16, 2012). |
| CBE/CSE | OBDE [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OBDE. |
| Bluebook | OBDE, http://www.acronymgeek.com/OBDE (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBDE, http://www.acronymgeek.com/OBDE (optional description here) (as of Feb. 16, 2012, 14:56). |
| AMA | OBDE. Acronym Geek. February 16, 2012, 14:56. Available at: http://www.acronymgeek.com/OBDE. Accessed February 16, 2012, 14:56. |