| APA | CSFO. (2012, February 16). In Acronym Geek. Retrieved 17:27, February 16, 2012, from http://www.acronymgeek.com/CSFO |
| MLA | "CSFO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CSFO>. |
| MHRA | 'CSFO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CSFO> [accessed 16 February 2012] |
| Chicago | "CSFO", http://www.acronymgeek.com/CSFO (accessed February 16, 2012). |
| CBE/CSE | CSFO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CSFO. |
| Bluebook | CSFO, http://www.acronymgeek.com/CSFO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CSFO, http://www.acronymgeek.com/CSFO (optional description here) (as of Feb. 16, 2012, 17:27). |
| AMA | CSFO. Acronym Geek. February 16, 2012, 17:27. Available at: http://www.acronymgeek.com/CSFO. Accessed February 16, 2012, 17:27. |