| APA | DUPE. (2012, February 11). In Acronym Geek. Retrieved 20:13, February 11, 2012, from http://www.acronymgeek.com/DUPE |
| MLA | "DUPE." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/DUPE>. |
| MHRA | 'DUPE', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/DUPE> [accessed 11 February 2012] |
| Chicago | "DUPE", http://www.acronymgeek.com/DUPE (accessed February 11, 2012). |
| CBE/CSE | DUPE [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/DUPE. |
| Bluebook | DUPE, http://www.acronymgeek.com/DUPE (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUPE, http://www.acronymgeek.com/DUPE (optional description here) (as of Feb. 11, 2012, 20:13). |
| AMA | DUPE. Acronym Geek. February 11, 2012, 20:13. Available at: http://www.acronymgeek.com/DUPE. Accessed February 11, 2012, 20:13. |