| APA | GZTC. (2012, February 11). In Acronym Geek. Retrieved 21:11, February 11, 2012, from http://www.acronymgeek.com/GZTC |
| MLA | "GZTC." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/GZTC>. |
| MHRA | 'GZTC', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/GZTC> [accessed 11 February 2012] |
| Chicago | "GZTC", http://www.acronymgeek.com/GZTC (accessed February 11, 2012). |
| CBE/CSE | GZTC [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/GZTC. |
| Bluebook | GZTC, http://www.acronymgeek.com/GZTC (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GZTC, http://www.acronymgeek.com/GZTC (optional description here) (as of Feb. 11, 2012, 21:11). |
| AMA | GZTC. Acronym Geek. February 11, 2012, 21:11. Available at: http://www.acronymgeek.com/GZTC. Accessed February 11, 2012, 21:11. |