| APA | EO&SP. (2012, February 10). In Acronym Geek. Retrieved 08:15, February 10, 2012, from http://www.acronymgeek.com/EO&SP |
| MLA | "EO&SP." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/EO&SP>. |
| MHRA | 'EO&SP', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/EO&SP> [accessed 10 February 2012] |
| Chicago | "EO&SP", http://www.acronymgeek.com/EO&SP (accessed February 10, 2012). |
| CBE/CSE | EO&SP [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/EO&SP. |
| Bluebook | EO&SP, http://www.acronymgeek.com/EO&SP (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EO&SP, http://www.acronymgeek.com/EO&SP (optional description here) (as of Feb. 10, 2012, 08:15). |
| AMA | EO&SP. Acronym Geek. February 10, 2012, 08:15. Available at: http://www.acronymgeek.com/EO&SP. Accessed February 10, 2012, 08:15. |