| APA | SFID. (2012, February 15). In Acronym Geek. Retrieved 10:18, February 15, 2012, from http://www.acronymgeek.com/SFID |
| MLA | "SFID." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SFID>. |
| MHRA | 'SFID', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SFID> [accessed 15 February 2012] |
| Chicago | "SFID", http://www.acronymgeek.com/SFID (accessed February 15, 2012). |
| CBE/CSE | SFID [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SFID. |
| Bluebook | SFID, http://www.acronymgeek.com/SFID (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SFID, http://www.acronymgeek.com/SFID (optional description here) (as of Feb. 15, 2012, 10:18). |
| AMA | SFID. Acronym Geek. February 15, 2012, 10:18. Available at: http://www.acronymgeek.com/SFID. Accessed February 15, 2012, 10:18. |