| APA | GZFS. (2012, February 15). In Acronym Geek. Retrieved 06:11, February 15, 2012, from http://www.acronymgeek.com/GZFS |
| MLA | "GZFS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GZFS>. |
| MHRA | 'GZFS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GZFS> [accessed 15 February 2012] |
| Chicago | "GZFS", http://www.acronymgeek.com/GZFS (accessed February 15, 2012). |
| CBE/CSE | GZFS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GZFS. |
| Bluebook | GZFS, http://www.acronymgeek.com/GZFS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GZFS, http://www.acronymgeek.com/GZFS (optional description here) (as of Feb. 15, 2012, 06:11). |
| AMA | GZFS. Acronym Geek. February 15, 2012, 06:11. Available at: http://www.acronymgeek.com/GZFS. Accessed February 15, 2012, 06:11. |