| Style | Reference Text |
|---|
| APA | 4V. (2009, November 23). In All Acronyms. Retrieved 14:47, November 23, 2009, from http://www.all-acronyms.com/4V |
| MLA | "4V." All Acronyms. 23 Nov 2009, 14:47. All Acronyms. 23 Nov 2009 <http://www.all-acronyms.com/4V>. |
| MHRA | '4V', All Acronyms, 23 November 2009, 14:47, <http://www.all-acronyms.com/4V> [accessed 23 November 2009] |
| Chicago | "4V," http://www.all-acronyms.com/4V (accessed November 23, 2009). |
| CBE/CSE | 4V [Internet]. All Acronyms; 2009 Nov 23, 14:47 [cited 2009 Nov 23]. Available from: http://www.all-acronyms.com/4V. |
| Bluebook | 4V, http://www.all-acronyms.com/4V (last visited November 23, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, 4V, http://www.all-acronyms.com/4V (optional description here) (as of Nov. 23, 2009, 14:47). |
| AMA | 4V. All Acronyms. November 23, 2009, 14:47. Available at: http://www.all-acronyms.com/4V. Accessed November 23, 2009. |
Four Valve