| APA | GGZK. (2012, February 15). In Acronym Geek. Retrieved 18:03, February 15, 2012, from http://www.acronymgeek.com/GGZK |
| MLA | "GGZK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GGZK>. |
| MHRA | 'GGZK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GGZK> [accessed 15 February 2012] |
| Chicago | "GGZK", http://www.acronymgeek.com/GGZK (accessed February 15, 2012). |
| CBE/CSE | GGZK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GGZK. |
| Bluebook | GGZK, http://www.acronymgeek.com/GGZK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GGZK, http://www.acronymgeek.com/GGZK (optional description here) (as of Feb. 15, 2012, 18:03). |
| AMA | GGZK. Acronym Geek. February 15, 2012, 18:03. Available at: http://www.acronymgeek.com/GGZK. Accessed February 15, 2012, 18:03. |