| APA | D.R.. (2012, February 15). In Acronym Geek. Retrieved 11:03, February 15, 2012, from http://www.acronymgeek.com/D.R. |
| MLA | "D.R.." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/D.R.>. |
| MHRA | 'D.R.', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/D.R.> [accessed 15 February 2012] |
| Chicago | "D.R.", http://www.acronymgeek.com/D.R. (accessed February 15, 2012). |
| CBE/CSE | D.R. [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/D.R.. |
| Bluebook | D.R., http://www.acronymgeek.com/D.R. (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, D.R., http://www.acronymgeek.com/D.R. (optional description here) (as of Feb. 15, 2012, 11:03). |
| AMA | D.R.. Acronym Geek. February 15, 2012, 11:03. Available at: http://www.acronymgeek.com/D.R.. Accessed February 15, 2012, 11:03. |