| APA | FCSO. (2012, February 9). In Acronym Geek. Retrieved 00:28, February 9, 2012, from http://www.acronymgeek.com/FCSO |
| MLA | "FCSO." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/FCSO>. |
| MHRA | 'FCSO', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/FCSO> [accessed 9 February 2012] |
| Chicago | "FCSO", http://www.acronymgeek.com/FCSO (accessed February 9, 2012). |
| CBE/CSE | FCSO [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/FCSO. |
| Bluebook | FCSO, http://www.acronymgeek.com/FCSO (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FCSO, http://www.acronymgeek.com/FCSO (optional description here) (as of Feb. 9, 2012, 00:28). |
| AMA | FCSO. Acronym Geek. February 9, 2012, 00:28. Available at: http://www.acronymgeek.com/FCSO. Accessed February 9, 2012, 00:28. |