| APA | STFO. (2012, February 16). In Acronym Geek. Retrieved 15:29, February 16, 2012, from http://www.acronymgeek.com/STFO |
| MLA | "STFO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/STFO>. |
| MHRA | 'STFO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/STFO> [accessed 16 February 2012] |
| Chicago | "STFO", http://www.acronymgeek.com/STFO (accessed February 16, 2012). |
| CBE/CSE | STFO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/STFO. |
| Bluebook | STFO, http://www.acronymgeek.com/STFO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STFO, http://www.acronymgeek.com/STFO (optional description here) (as of Feb. 16, 2012, 15:29). |
| AMA | STFO. Acronym Geek. February 16, 2012, 15:29. Available at: http://www.acronymgeek.com/STFO. Accessed February 16, 2012, 15:29. |