| APA | CF.. (2012, February 11). In Acronym Geek. Retrieved 22:28, February 11, 2012, from http://www.acronymgeek.com/CF. |
| MLA | "CF.." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/CF.>. |
| MHRA | 'CF.', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/CF.> [accessed 11 February 2012] |
| Chicago | "CF.", http://www.acronymgeek.com/CF. (accessed February 11, 2012). |
| CBE/CSE | CF. [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/CF.. |
| Bluebook | CF., http://www.acronymgeek.com/CF. (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CF., http://www.acronymgeek.com/CF. (optional description here) (as of Feb. 11, 2012, 22:28). |
| AMA | CF.. Acronym Geek. February 11, 2012, 22:28. Available at: http://www.acronymgeek.com/CF.. Accessed February 11, 2012, 22:28. |