| Style | Reference Text |
|---|
| APA | 4DDA. (2009, November 22). In All Acronyms. Retrieved 23:46, November 22, 2009, from http://www.all-acronyms.com/4DDA |
| MLA | "4DDA." All Acronyms. 22 Nov 2009, 23:46. All Acronyms. 22 Nov 2009 <http://www.all-acronyms.com/4DDA>. |
| MHRA | '4DDA', All Acronyms, 22 November 2009, 23:46, <http://www.all-acronyms.com/4DDA> [accessed 22 November 2009] |
| Chicago | "4DDA," http://www.all-acronyms.com/4DDA (accessed November 22, 2009). |
| CBE/CSE | 4DDA [Internet]. All Acronyms; 2009 Nov 22, 23:46 [cited 2009 Nov 22]. Available from: http://www.all-acronyms.com/4DDA. |
| Bluebook | 4DDA, http://www.all-acronyms.com/4DDA (last visited November 22, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, 4DDA, http://www.all-acronyms.com/4DDA (optional description here) (as of Nov. 22, 2009, 23:46). |
| AMA | 4DDA. All Acronyms. November 22, 2009, 23:46. Available at: http://www.all-acronyms.com/4DDA. Accessed November 22, 2009. |
4-Dimensional Data Assimilation