| Style | Reference Text |
|---|
| APA | PNA. (2013, May 23). In All Acronyms. Retrieved 04:07, May 23, 2013, from http://www.all-acronyms.com/cat/5/PNA |
| MLA | "PNA." All Acronyms. 23 May 2013, 04:07. All Acronyms. 23 May 2013 <http://www.all-acronyms.com/cat/5/PNA>. |
| MHRA | 'PNA', All Acronyms, 23 May 2013, 04:07, <http://www.all-acronyms.com/cat/5/PNA> [accessed 23 May 2013] |
| Chicago | "PNA," http://www.all-acronyms.com/cat/5/PNA (accessed May 23, 2013). |
| CBE/CSE | PNA [Internet]. All Acronyms; 2013 May 23, 04:07 [cited 2013 May 23]. Available from: http://www.all-acronyms.com/cat/5/PNA. |
| Bluebook | PNA, http://www.all-acronyms.com/cat/5/PNA (last visited May 23, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, PNA, http://www.all-acronyms.com/cat/5/PNA (optional description here) (as of May. 23, 2013, 04:07). |
| AMA | PNA. All Acronyms. May 23, 2013, 04:07. Available at: http://www.all-acronyms.com/cat/5/PNA. Accessed May 23, 2013. |
paraffins, naphthenes and aromatics