| APA | GRDR. (2012, February 15). In Acronym Geek. Retrieved 02:56, February 15, 2012, from http://www.acronymgeek.com/GRDR |
| MLA | "GRDR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GRDR>. |
| MHRA | 'GRDR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GRDR> [accessed 15 February 2012] |
| Chicago | "GRDR", http://www.acronymgeek.com/GRDR (accessed February 15, 2012). |
| CBE/CSE | GRDR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GRDR. |
| Bluebook | GRDR, http://www.acronymgeek.com/GRDR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GRDR, http://www.acronymgeek.com/GRDR (optional description here) (as of Feb. 15, 2012, 02:56). |
| AMA | GRDR. Acronym Geek. February 15, 2012, 02:56. Available at: http://www.acronymgeek.com/GRDR. Accessed February 15, 2012, 02:56. |