| APA | GRCG. (2012, February 16). In Acronym Geek. Retrieved 00:07, February 16, 2012, from http://www.acronymgeek.com/GRCG |
| MLA | "GRCG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GRCG>. |
| MHRA | 'GRCG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GRCG> [accessed 16 February 2012] |
| Chicago | "GRCG", http://www.acronymgeek.com/GRCG (accessed February 16, 2012). |
| CBE/CSE | GRCG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GRCG. |
| Bluebook | GRCG, http://www.acronymgeek.com/GRCG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GRCG, http://www.acronymgeek.com/GRCG (optional description here) (as of Feb. 16, 2012, 00:07). |
| AMA | GRCG. Acronym Geek. February 16, 2012, 00:07. Available at: http://www.acronymgeek.com/GRCG. Accessed February 16, 2012, 00:07. |