| APA | GZS. (2012, February 11). In Acronym Geek. Retrieved 23:33, February 11, 2012, from http://www.acronymgeek.com/GZS |
| MLA | "GZS." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/GZS>. |
| MHRA | 'GZS', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/GZS> [accessed 11 February 2012] |
| Chicago | "GZS", http://www.acronymgeek.com/GZS (accessed February 11, 2012). |
| CBE/CSE | GZS [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/GZS. |
| Bluebook | GZS, http://www.acronymgeek.com/GZS (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GZS, http://www.acronymgeek.com/GZS (optional description here) (as of Feb. 11, 2012, 23:33). |
| AMA | GZS. Acronym Geek. February 11, 2012, 23:33. Available at: http://www.acronymgeek.com/GZS. Accessed February 11, 2012, 23:33. |