| APA | GZF. (2012, February 9). In Acronym Geek. Retrieved 12:48, February 9, 2012, from http://www.acronymgeek.com/GZF |
| MLA | "GZF." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/GZF>. |
| MHRA | 'GZF', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/GZF> [accessed 9 February 2012] |
| Chicago | "GZF", http://www.acronymgeek.com/GZF (accessed February 9, 2012). |
| CBE/CSE | GZF [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/GZF. |
| Bluebook | GZF, http://www.acronymgeek.com/GZF (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GZF, http://www.acronymgeek.com/GZF (optional description here) (as of Feb. 9, 2012, 12:48). |
| AMA | GZF. Acronym Geek. February 9, 2012, 12:48. Available at: http://www.acronymgeek.com/GZF. Accessed February 9, 2012, 12:48. |