| APA | TTFN. (2012, February 16). In Acronym Geek. Retrieved 20:05, February 16, 2012, from http://www.acronymgeek.com/TTFN |
| MLA | "TTFN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/TTFN>. |
| MHRA | 'TTFN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/TTFN> [accessed 16 February 2012] |
| Chicago | "TTFN", http://www.acronymgeek.com/TTFN (accessed February 16, 2012). |
| CBE/CSE | TTFN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/TTFN. |
| Bluebook | TTFN, http://www.acronymgeek.com/TTFN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TTFN, http://www.acronymgeek.com/TTFN (optional description here) (as of Feb. 16, 2012, 20:05). |
| AMA | TTFN. Acronym Geek. February 16, 2012, 20:05. Available at: http://www.acronymgeek.com/TTFN. Accessed February 16, 2012, 20:05. |