| APA | OTF. (2012, February 14). In Acronym Geek. Retrieved 10:16, February 14, 2012, from http://www.acronymgeek.com/OTF |
| MLA | "OTF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OTF>. |
| MHRA | 'OTF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OTF> [accessed 14 February 2012] |
| Chicago | "OTF", http://www.acronymgeek.com/OTF (accessed February 14, 2012). |
| CBE/CSE | OTF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OTF. |
| Bluebook | OTF, http://www.acronymgeek.com/OTF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OTF, http://www.acronymgeek.com/OTF (optional description here) (as of Feb. 14, 2012, 10:16). |
| AMA | OTF. Acronym Geek. February 14, 2012, 10:16. Available at: http://www.acronymgeek.com/OTF. Accessed February 14, 2012, 10:16. |