| APA | GRD. (2012, February 4). In Acronym Geek. Retrieved 11:07, February 4, 2012, from http://www.acronymgeek.com/GRD |
| MLA | "GRD." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/GRD>. |
| MHRA | 'GRD', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/GRD> [accessed 4 February 2012] |
| Chicago | "GRD", http://www.acronymgeek.com/GRD (accessed February 4, 2012). |
| CBE/CSE | GRD [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/GRD. |
| Bluebook | GRD, http://www.acronymgeek.com/GRD (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GRD, http://www.acronymgeek.com/GRD (optional description here) (as of Feb. 4, 2012, 11:07). |
| AMA | GRD. Acronym Geek. February 4, 2012, 11:07. Available at: http://www.acronymgeek.com/GRD. Accessed February 4, 2012, 11:07. |