| APA | SFHN. (2012, February 17). In Acronym Geek. Retrieved 00:41, February 17, 2012, from http://www.acronymgeek.com/SFHN |
| MLA | "SFHN." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/SFHN>. |
| MHRA | 'SFHN', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/SFHN> [accessed 17 February 2012] |
| Chicago | "SFHN", http://www.acronymgeek.com/SFHN (accessed February 17, 2012). |
| CBE/CSE | SFHN [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/SFHN. |
| Bluebook | SFHN, http://www.acronymgeek.com/SFHN (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SFHN, http://www.acronymgeek.com/SFHN (optional description here) (as of Feb. 17, 2012, 00:41). |
| AMA | SFHN. Acronym Geek. February 17, 2012, 00:41. Available at: http://www.acronymgeek.com/SFHN. Accessed February 17, 2012, 00:41. |