| APA | GZCS. (2012, February 16). In Acronym Geek. Retrieved 19:51, February 16, 2012, from http://www.acronymgeek.com/GZCS |
| MLA | "GZCS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GZCS>. |
| MHRA | 'GZCS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GZCS> [accessed 16 February 2012] |
| Chicago | "GZCS", http://www.acronymgeek.com/GZCS (accessed February 16, 2012). |
| CBE/CSE | GZCS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GZCS. |
| Bluebook | GZCS, http://www.acronymgeek.com/GZCS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GZCS, http://www.acronymgeek.com/GZCS (optional description here) (as of Feb. 16, 2012, 19:51). |
| AMA | GZCS. Acronym Geek. February 16, 2012, 19:51. Available at: http://www.acronymgeek.com/GZCS. Accessed February 16, 2012, 19:51. |