| APA | COF. (2012, February 13). In Acronym Geek. Retrieved 21:08, February 13, 2012, from http://www.acronymgeek.com/COF |
| MLA | "COF." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/COF>. |
| MHRA | 'COF', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/COF> [accessed 13 February 2012] |
| Chicago | "COF", http://www.acronymgeek.com/COF (accessed February 13, 2012). |
| CBE/CSE | COF [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/COF. |
| Bluebook | COF, http://www.acronymgeek.com/COF (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, COF, http://www.acronymgeek.com/COF (optional description here) (as of Feb. 13, 2012, 21:08). |
| AMA | COF. Acronym Geek. February 13, 2012, 21:08. Available at: http://www.acronymgeek.com/COF. Accessed February 13, 2012, 21:08. |