| APA | 5F. (2012, February 11). In Acronym Geek. Retrieved 21:51, February 11, 2012, from http://www.acronymgeek.com/5F |
| MLA | "5F." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/5F>. |
| MHRA | '5F', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/5F> [accessed 11 February 2012] |
| Chicago | "5F", http://www.acronymgeek.com/5F (accessed February 11, 2012). |
| CBE/CSE | 5F [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/5F. |
| Bluebook | 5F, http://www.acronymgeek.com/5F (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 5F, http://www.acronymgeek.com/5F (optional description here) (as of Feb. 11, 2012, 21:51). |
| AMA | 5F. Acronym Geek. February 11, 2012, 21:51. Available at: http://www.acronymgeek.com/5F. Accessed February 11, 2012, 21:51. |