| APA | SF9. (2012, February 11). In Acronym Geek. Retrieved 22:46, February 11, 2012, from http://www.acronymgeek.com/SF9 |
| MLA | "SF9." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/SF9>. |
| MHRA | 'SF9', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/SF9> [accessed 11 February 2012] |
| Chicago | "SF9", http://www.acronymgeek.com/SF9 (accessed February 11, 2012). |
| CBE/CSE | SF9 [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/SF9. |
| Bluebook | SF9, http://www.acronymgeek.com/SF9 (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SF9, http://www.acronymgeek.com/SF9 (optional description here) (as of Feb. 11, 2012, 22:46). |
| AMA | SF9. Acronym Geek. February 11, 2012, 22:46. Available at: http://www.acronymgeek.com/SF9. Accessed February 11, 2012, 22:46. |