| Style | Reference Text |
|---|
| APA | OPPIS. (2013, June 19). In All Acronyms. Retrieved 06:01, June 19, 2013, from http://www.allacronyms.com/OPPIS |
| MLA | "OPPIS." All Acronyms. 19 Jun 2013, 06:01. All Acronyms. 19 Jun 2013 <http://www.allacronyms.com/OPPIS>. |
| MHRA | 'OPPIS', All Acronyms, 19 June 2013, 06:01, <http://www.allacronyms.com/OPPIS> [accessed 19 June 2013] |
| Chicago | "OPPIS," http://www.allacronyms.com/OPPIS (accessed June 19, 2013). |
| CBE/CSE | OPPIS [Internet]. All Acronyms; 2013 Jun 19, 06:01 [cited 2013 Jun 19]. Available from: http://www.allacronyms.com/OPPIS. |
| Bluebook | OPPIS, http://www.allacronyms.com/OPPIS (last visited June 19, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, OPPIS, http://www.allacronyms.com/OPPIS (optional description here) (as of Jun. 19, 2013, 06:01). |
| AMA | OPPIS. All Acronyms. June 19, 2013, 06:01. Available at: http://www.allacronyms.com/OPPIS. Accessed June 19, 2013. |
Optically Pumped Polarized Ion Source-