| APA | GERDA. (2012, February 12). In Acronym Geek. Retrieved 15:03, February 12, 2012, from http://www.acronymgeek.com/GERDA |
| MLA | "GERDA." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/GERDA>. |
| MHRA | 'GERDA', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/GERDA> [accessed 12 February 2012] |
| Chicago | "GERDA", http://www.acronymgeek.com/GERDA (accessed February 12, 2012). |
| CBE/CSE | GERDA [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/GERDA. |
| Bluebook | GERDA, http://www.acronymgeek.com/GERDA (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GERDA, http://www.acronymgeek.com/GERDA (optional description here) (as of Feb. 12, 2012, 15:03). |
| AMA | GERDA. Acronym Geek. February 12, 2012, 15:03. Available at: http://www.acronymgeek.com/GERDA. Accessed February 12, 2012, 15:03. |