| APA | FF4. (2012, February 11). In Acronym Geek. Retrieved 18:13, February 11, 2012, from http://www.acronymgeek.com/FF4 |
| MLA | "FF4." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/FF4>. |
| MHRA | 'FF4', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/FF4> [accessed 11 February 2012] |
| Chicago | "FF4", http://www.acronymgeek.com/FF4 (accessed February 11, 2012). |
| CBE/CSE | FF4 [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/FF4. |
| Bluebook | FF4, http://www.acronymgeek.com/FF4 (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FF4, http://www.acronymgeek.com/FF4 (optional description here) (as of Feb. 11, 2012, 18:13). |
| AMA | FF4. Acronym Geek. February 11, 2012, 18:13. Available at: http://www.acronymgeek.com/FF4. Accessed February 11, 2012, 18:13. |