| APA | EO SID. (2012, February 11). In Acronym Geek. Retrieved 17:40, February 11, 2012, from http://www.acronymgeek.com/EO SID |
| MLA | "EO SID." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EO SID>. |
| MHRA | 'EO SID', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EO SID> [accessed 11 February 2012] |
| Chicago | "EO SID", http://www.acronymgeek.com/EO SID (accessed February 11, 2012). |
| CBE/CSE | EO SID [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EO SID. |
| Bluebook | EO SID, http://www.acronymgeek.com/EO SID (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EO SID, http://www.acronymgeek.com/EO SID (optional description here) (as of Feb. 11, 2012, 17:40). |
| AMA | EO SID. Acronym Geek. February 11, 2012, 17:40. Available at: http://www.acronymgeek.com/EO SID. Accessed February 11, 2012, 17:40. |