| APA | ZRGG. (2012, February 16). In Acronym Geek. Retrieved 15:27, February 16, 2012, from http://www.acronymgeek.com/ZRGG |
| MLA | "ZRGG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ZRGG>. |
| MHRA | 'ZRGG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ZRGG> [accessed 16 February 2012] |
| Chicago | "ZRGG", http://www.acronymgeek.com/ZRGG (accessed February 16, 2012). |
| CBE/CSE | ZRGG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ZRGG. |
| Bluebook | ZRGG, http://www.acronymgeek.com/ZRGG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZRGG, http://www.acronymgeek.com/ZRGG (optional description here) (as of Feb. 16, 2012, 15:27). |
| AMA | ZRGG. Acronym Geek. February 16, 2012, 15:27. Available at: http://www.acronymgeek.com/ZRGG. Accessed February 16, 2012, 15:27. |