| APA | SFE. (2012, February 10). In Acronym Geek. Retrieved 10:53, February 10, 2012, from http://www.acronymgeek.com/SFE |
| MLA | "SFE." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/SFE>. |
| MHRA | 'SFE', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/SFE> [accessed 10 February 2012] |
| Chicago | "SFE", http://www.acronymgeek.com/SFE (accessed February 10, 2012). |
| CBE/CSE | SFE [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/SFE. |
| Bluebook | SFE, http://www.acronymgeek.com/SFE (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SFE, http://www.acronymgeek.com/SFE (optional description here) (as of Feb. 10, 2012, 10:53). |
| AMA | SFE. Acronym Geek. February 10, 2012, 10:53. Available at: http://www.acronymgeek.com/SFE. Accessed February 10, 2012, 10:53. |