| APA | ZSF. (2012, February 14). In Acronym Geek. Retrieved 07:08, February 14, 2012, from http://www.acronymgeek.com/ZSF |
| MLA | "ZSF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ZSF>. |
| MHRA | 'ZSF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ZSF> [accessed 14 February 2012] |
| Chicago | "ZSF", http://www.acronymgeek.com/ZSF (accessed February 14, 2012). |
| CBE/CSE | ZSF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ZSF. |
| Bluebook | ZSF, http://www.acronymgeek.com/ZSF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZSF, http://www.acronymgeek.com/ZSF (optional description here) (as of Feb. 14, 2012, 07:08). |
| AMA | ZSF. Acronym Geek. February 14, 2012, 07:08. Available at: http://www.acronymgeek.com/ZSF. Accessed February 14, 2012, 07:08. |