| APA | JDU. (2012, February 15). In Acronym Geek. Retrieved 03:42, February 15, 2012, from http://www.acronymgeek.com/JDU |
| MLA | "JDU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/JDU>. |
| MHRA | 'JDU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/JDU> [accessed 15 February 2012] |
| Chicago | "JDU", http://www.acronymgeek.com/JDU (accessed February 15, 2012). |
| CBE/CSE | JDU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/JDU. |
| Bluebook | JDU, http://www.acronymgeek.com/JDU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, JDU, http://www.acronymgeek.com/JDU (optional description here) (as of Feb. 15, 2012, 03:42). |
| AMA | JDU. Acronym Geek. February 15, 2012, 03:42. Available at: http://www.acronymgeek.com/JDU. Accessed February 15, 2012, 03:42. |