| APA | ACDU. (2012, February 16). In Acronym Geek. Retrieved 05:42, February 16, 2012, from http://www.acronymgeek.com/ACDU |
| MLA | "ACDU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ACDU>. |
| MHRA | 'ACDU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ACDU> [accessed 16 February 2012] |
| Chicago | "ACDU", http://www.acronymgeek.com/ACDU (accessed February 16, 2012). |
| CBE/CSE | ACDU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ACDU. |
| Bluebook | ACDU, http://www.acronymgeek.com/ACDU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ACDU, http://www.acronymgeek.com/ACDU (optional description here) (as of Feb. 16, 2012, 05:42). |
| AMA | ACDU. Acronym Geek. February 16, 2012, 05:42. Available at: http://www.acronymgeek.com/ACDU. Accessed February 16, 2012, 05:42. |