| APA | OSG. (2012, February 15). In Acronym Geek. Retrieved 03:34, February 15, 2012, from http://www.acronymgeek.com/OSG |
| MLA | "OSG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OSG>. |
| MHRA | 'OSG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OSG> [accessed 15 February 2012] |
| Chicago | "OSG", http://www.acronymgeek.com/OSG (accessed February 15, 2012). |
| CBE/CSE | OSG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OSG. |
| Bluebook | OSG, http://www.acronymgeek.com/OSG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OSG, http://www.acronymgeek.com/OSG (optional description here) (as of Feb. 15, 2012, 03:34). |
| AMA | OSG. Acronym Geek. February 15, 2012, 03:34. Available at: http://www.acronymgeek.com/OSG. Accessed February 15, 2012, 03:34. |