| Style | Reference Text |
|---|
| APA | HEPA. (2013, May 23). In All Acronyms. Retrieved 11:32, May 23, 2013, from http://www.all-acronyms.com/cat/4/HEPA |
| MLA | "HEPA." All Acronyms. 23 May 2013, 11:32. All Acronyms. 23 May 2013 <http://www.all-acronyms.com/cat/4/HEPA>. |
| MHRA | 'HEPA', All Acronyms, 23 May 2013, 11:32, <http://www.all-acronyms.com/cat/4/HEPA> [accessed 23 May 2013] |
| Chicago | "HEPA," http://www.all-acronyms.com/cat/4/HEPA (accessed May 23, 2013). |
| CBE/CSE | HEPA [Internet]. All Acronyms; 2013 May 23, 11:32 [cited 2013 May 23]. Available from: http://www.all-acronyms.com/cat/4/HEPA. |
| Bluebook | HEPA, http://www.all-acronyms.com/cat/4/HEPA (last visited May 23, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, HEPA, http://www.all-acronyms.com/cat/4/HEPA (optional description here) (as of May. 23, 2013, 11:32). |
| AMA | HEPA. All Acronyms. May 23, 2013, 11:32. Available at: http://www.all-acronyms.com/cat/4/HEPA. Accessed May 23, 2013. |