| APA | DR. (2012, February 9). In Acronym Geek. Retrieved 16:46, February 9, 2012, from http://www.acronymgeek.com/DR |
| MLA | "DR." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/DR>. |
| MHRA | 'DR', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/DR> [accessed 9 February 2012] |
| Chicago | "DR", http://www.acronymgeek.com/DR (accessed February 9, 2012). |
| CBE/CSE | DR [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/DR. |
| Bluebook | DR, http://www.acronymgeek.com/DR (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DR, http://www.acronymgeek.com/DR (optional description here) (as of Feb. 9, 2012, 16:46). |
| AMA | DR. Acronym Geek. February 9, 2012, 16:46. Available at: http://www.acronymgeek.com/DR. Accessed February 9, 2012, 16:46. |