| APA | GFCX. (2012, February 12). In Acronym Geek. Retrieved 05:20, February 12, 2012, from http://www.acronymgeek.com/GFCX |
| MLA | "GFCX." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/GFCX>. |
| MHRA | 'GFCX', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/GFCX> [accessed 12 February 2012] |
| Chicago | "GFCX", http://www.acronymgeek.com/GFCX (accessed February 12, 2012). |
| CBE/CSE | GFCX [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/GFCX. |
| Bluebook | GFCX, http://www.acronymgeek.com/GFCX (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFCX, http://www.acronymgeek.com/GFCX (optional description here) (as of Feb. 12, 2012, 05:20). |
| AMA | GFCX. Acronym Geek. February 12, 2012, 05:20. Available at: http://www.acronymgeek.com/GFCX. Accessed February 12, 2012, 05:20. |