| Style | Reference Text |
|---|
| APA | PENNA. (2013, May 20). In All Acronyms. Retrieved 01:31, May 20, 2013, from http://www.all-acronyms.com/PENNA |
| MLA | "PENNA." All Acronyms. 20 May 2013, 01:31. All Acronyms. 20 May 2013 <http://www.all-acronyms.com/PENNA>. |
| MHRA | 'PENNA', All Acronyms, 20 May 2013, 01:31, <http://www.all-acronyms.com/PENNA> [accessed 20 May 2013] |
| Chicago | "PENNA," http://www.all-acronyms.com/PENNA (accessed May 20, 2013). |
| CBE/CSE | PENNA [Internet]. All Acronyms; 2013 May 20, 01:31 [cited 2013 May 20]. Available from: http://www.all-acronyms.com/PENNA. |
| Bluebook | PENNA, http://www.all-acronyms.com/PENNA (last visited May 20, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, PENNA, http://www.all-acronyms.com/PENNA (optional description here) (as of May. 20, 2013, 01:31). |
| AMA | PENNA. All Acronyms. May 20, 2013, 01:31. Available at: http://www.all-acronyms.com/PENNA. Accessed May 20, 2013. |
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