| APA | FF.. (2012, February 11). In Acronym Geek. Retrieved 20:43, February 11, 2012, from http://www.acronymgeek.com/FF. |
| MLA | "FF.." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/FF.>. |
| MHRA | 'FF.', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/FF.> [accessed 11 February 2012] |
| Chicago | "FF.", http://www.acronymgeek.com/FF. (accessed February 11, 2012). |
| CBE/CSE | FF. [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/FF.. |
| Bluebook | FF., http://www.acronymgeek.com/FF. (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FF., http://www.acronymgeek.com/FF. (optional description here) (as of Feb. 11, 2012, 20:43). |
| AMA | FF.. Acronym Geek. February 11, 2012, 20:43. Available at: http://www.acronymgeek.com/FF.. Accessed February 11, 2012, 20:43. |