| APA | GDRS. (2012, February 15). In Acronym Geek. Retrieved 13:02, February 15, 2012, from http://www.acronymgeek.com/GDRS |
| MLA | "GDRS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GDRS>. |
| MHRA | 'GDRS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GDRS> [accessed 15 February 2012] |
| Chicago | "GDRS", http://www.acronymgeek.com/GDRS (accessed February 15, 2012). |
| CBE/CSE | GDRS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GDRS. |
| Bluebook | GDRS, http://www.acronymgeek.com/GDRS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GDRS, http://www.acronymgeek.com/GDRS (optional description here) (as of Feb. 15, 2012, 13:02). |
| AMA | GDRS. Acronym Geek. February 15, 2012, 13:02. Available at: http://www.acronymgeek.com/GDRS. Accessed February 15, 2012, 13:02. |