| APA | OBES. (2012, February 17). In Acronym Geek. Retrieved 02:32, February 17, 2012, from http://www.acronymgeek.com/OBES |
| MLA | "OBES." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OBES>. |
| MHRA | 'OBES', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OBES> [accessed 17 February 2012] |
| Chicago | "OBES", http://www.acronymgeek.com/OBES (accessed February 17, 2012). |
| CBE/CSE | OBES [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OBES. |
| Bluebook | OBES, http://www.acronymgeek.com/OBES (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBES, http://www.acronymgeek.com/OBES (optional description here) (as of Feb. 17, 2012, 02:32). |
| AMA | OBES. Acronym Geek. February 17, 2012, 02:32. Available at: http://www.acronymgeek.com/OBES. Accessed February 17, 2012, 02:32. |