| APA | F4. (2012, February 10). In Acronym Geek. Retrieved 09:39, February 10, 2012, from http://www.acronymgeek.com/F4 |
| MLA | "F4." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/F4>. |
| MHRA | 'F4', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/F4> [accessed 10 February 2012] |
| Chicago | "F4", http://www.acronymgeek.com/F4 (accessed February 10, 2012). |
| CBE/CSE | F4 [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/F4. |
| Bluebook | F4, http://www.acronymgeek.com/F4 (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, F4, http://www.acronymgeek.com/F4 (optional description here) (as of Feb. 10, 2012, 09:39). |
| AMA | F4. Acronym Geek. February 10, 2012, 09:39. Available at: http://www.acronymgeek.com/F4. Accessed February 10, 2012, 09:39. |