| APA | CGFO. (2012, February 16). In Acronym Geek. Retrieved 19:59, February 16, 2012, from http://www.acronymgeek.com/CGFO |
| MLA | "CGFO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CGFO>. |
| MHRA | 'CGFO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CGFO> [accessed 16 February 2012] |
| Chicago | "CGFO", http://www.acronymgeek.com/CGFO (accessed February 16, 2012). |
| CBE/CSE | CGFO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CGFO. |
| Bluebook | CGFO, http://www.acronymgeek.com/CGFO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CGFO, http://www.acronymgeek.com/CGFO (optional description here) (as of Feb. 16, 2012, 19:59). |
| AMA | CGFO. Acronym Geek. February 16, 2012, 19:59. Available at: http://www.acronymgeek.com/CGFO. Accessed February 16, 2012, 19:59. |