| APA | 3D DDI. (2012, February 12). In Acronym Geek. Retrieved 08:34, February 12, 2012, from http://www.acronymgeek.com/3D DDI |
| MLA | "3D DDI." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/3D DDI>. |
| MHRA | '3D DDI', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/3D DDI> [accessed 12 February 2012] |
| Chicago | "3D DDI", http://www.acronymgeek.com/3D DDI (accessed February 12, 2012). |
| CBE/CSE | 3D DDI [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/3D DDI. |
| Bluebook | 3D DDI, http://www.acronymgeek.com/3D DDI (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 3D DDI, http://www.acronymgeek.com/3D DDI (optional description here) (as of Feb. 12, 2012, 08:34). |
| AMA | 3D DDI. Acronym Geek. February 12, 2012, 08:34. Available at: http://www.acronymgeek.com/3D DDI. Accessed February 12, 2012, 08:34. |