| APA | SFWO. (2012, February 15). In Acronym Geek. Retrieved 05:05, February 15, 2012, from http://www.acronymgeek.com/SFWO |
| MLA | "SFWO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SFWO>. |
| MHRA | 'SFWO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SFWO> [accessed 15 February 2012] |
| Chicago | "SFWO", http://www.acronymgeek.com/SFWO (accessed February 15, 2012). |
| CBE/CSE | SFWO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SFWO. |
| Bluebook | SFWO, http://www.acronymgeek.com/SFWO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SFWO, http://www.acronymgeek.com/SFWO (optional description here) (as of Feb. 15, 2012, 05:05). |
| AMA | SFWO. Acronym Geek. February 15, 2012, 05:05. Available at: http://www.acronymgeek.com/SFWO. Accessed February 15, 2012, 05:05. |