| APA | GRED. (2012, February 15). In Acronym Geek. Retrieved 14:22, February 15, 2012, from http://www.acronymgeek.com/GRED |
| MLA | "GRED." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GRED>. |
| MHRA | 'GRED', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GRED> [accessed 15 February 2012] |
| Chicago | "GRED", http://www.acronymgeek.com/GRED (accessed February 15, 2012). |
| CBE/CSE | GRED [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GRED. |
| Bluebook | GRED, http://www.acronymgeek.com/GRED (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GRED, http://www.acronymgeek.com/GRED (optional description here) (as of Feb. 15, 2012, 14:22). |
| AMA | GRED. Acronym Geek. February 15, 2012, 14:22. Available at: http://www.acronymgeek.com/GRED. Accessed February 15, 2012, 14:22. |