| APA | ADDL. (2012, February 16). In Acronym Geek. Retrieved 04:24, February 16, 2012, from http://www.acronymgeek.com/ADDL |
| MLA | "ADDL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ADDL>. |
| MHRA | 'ADDL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ADDL> [accessed 16 February 2012] |
| Chicago | "ADDL", http://www.acronymgeek.com/ADDL (accessed February 16, 2012). |
| CBE/CSE | ADDL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ADDL. |
| Bluebook | ADDL, http://www.acronymgeek.com/ADDL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ADDL, http://www.acronymgeek.com/ADDL (optional description here) (as of Feb. 16, 2012, 04:24). |
| AMA | ADDL. Acronym Geek. February 16, 2012, 04:24. Available at: http://www.acronymgeek.com/ADDL. Accessed February 16, 2012, 04:24. |