| APA | 2FS. (2012, February 11). In Acronym Geek. Retrieved 22:56, February 11, 2012, from http://www.acronymgeek.com/2FS |
| MLA | "2FS." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/2FS>. |
| MHRA | '2FS', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/2FS> [accessed 11 February 2012] |
| Chicago | "2FS", http://www.acronymgeek.com/2FS (accessed February 11, 2012). |
| CBE/CSE | 2FS [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/2FS. |
| Bluebook | 2FS, http://www.acronymgeek.com/2FS (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 2FS, http://www.acronymgeek.com/2FS (optional description here) (as of Feb. 11, 2012, 22:56). |
| AMA | 2FS. Acronym Geek. February 11, 2012, 22:56. Available at: http://www.acronymgeek.com/2FS. Accessed February 11, 2012, 22:56. |