| APA | 9F. (2012, February 10). In Acronym Geek. Retrieved 17:14, February 10, 2012, from http://www.acronymgeek.com/9F |
| MLA | "9F." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/9F>. |
| MHRA | '9F', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/9F> [accessed 10 February 2012] |
| Chicago | "9F", http://www.acronymgeek.com/9F (accessed February 10, 2012). |
| CBE/CSE | 9F [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/9F. |
| Bluebook | 9F, http://www.acronymgeek.com/9F (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 9F, http://www.acronymgeek.com/9F (optional description here) (as of Feb. 10, 2012, 17:14). |
| AMA | 9F. Acronym Geek. February 10, 2012, 17:14. Available at: http://www.acronymgeek.com/9F. Accessed February 10, 2012, 17:14. |