| APA | SFEO. (2012, February 15). In Acronym Geek. Retrieved 01:26, February 15, 2012, from http://www.acronymgeek.com/SFEO |
| MLA | "SFEO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SFEO>. |
| MHRA | 'SFEO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SFEO> [accessed 15 February 2012] |
| Chicago | "SFEO", http://www.acronymgeek.com/SFEO (accessed February 15, 2012). |
| CBE/CSE | SFEO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SFEO. |
| Bluebook | SFEO, http://www.acronymgeek.com/SFEO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SFEO, http://www.acronymgeek.com/SFEO (optional description here) (as of Feb. 15, 2012, 01:26). |
| AMA | SFEO. Acronym Geek. February 15, 2012, 01:26. Available at: http://www.acronymgeek.com/SFEO. Accessed February 15, 2012, 01:26. |