| APA | DROS. (2012, February 17). In Acronym Geek. Retrieved 06:53, February 17, 2012, from http://www.acronymgeek.com/DROS |
| MLA | "DROS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/DROS>. |
| MHRA | 'DROS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/DROS> [accessed 17 February 2012] |
| Chicago | "DROS", http://www.acronymgeek.com/DROS (accessed February 17, 2012). |
| CBE/CSE | DROS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/DROS. |
| Bluebook | DROS, http://www.acronymgeek.com/DROS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DROS, http://www.acronymgeek.com/DROS (optional description here) (as of Feb. 17, 2012, 06:53). |
| AMA | DROS. Acronym Geek. February 17, 2012, 06:53. Available at: http://www.acronymgeek.com/DROS. Accessed February 17, 2012, 06:53. |