| Style | Reference Text |
|---|
| APA | QHO4. (2009, November 29). In All Acronyms. Retrieved 03:23, November 29, 2009, from http://www.all-acronyms.com/QHO4 |
| MLA | "QHO4." All Acronyms. 29 Nov 2009, 03:23. All Acronyms. 29 Nov 2009 <http://www.all-acronyms.com/QHO4>. |
| MHRA | 'QHO4', All Acronyms, 29 November 2009, 03:23, <http://www.all-acronyms.com/QHO4> [accessed 29 November 2009] |
| Chicago | "QHO4," http://www.all-acronyms.com/QHO4 (accessed November 29, 2009). |
| CBE/CSE | QHO4 [Internet]. All Acronyms; 2009 Nov 29, 03:23 [cited 2009 Nov 29]. Available from: http://www.all-acronyms.com/QHO4. |
| Bluebook | QHO4, http://www.all-acronyms.com/QHO4 (last visited November 29, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, QHO4, http://www.all-acronyms.com/QHO4 (optional description here) (as of Nov. 29, 2009, 03:23). |
| AMA | QHO4. All Acronyms. November 29, 2009, 03:23. Available at: http://www.all-acronyms.com/QHO4. Accessed November 29, 2009. |