| Style | Reference Text |
|---|
| APA | EI/CI. (2009, July 4). In All Acronyms. Retrieved 08:13, July 4, 2009, from http://www.all-acronyms.com/EI%2FCI |
| MLA | "EI/CI." All Acronyms. 4 Jul 2009, 08:13. All Acronyms. 4 Jul 2009 <http://www.all-acronyms.com/EI%2FCI>. |
| MHRA | 'EI/CI', All Acronyms, 4 July 2009, 08:13, <http://www.all-acronyms.com/EI%2FCI> [accessed 4 July 2009] |
| Chicago | "EI/CI," http://www.all-acronyms.com/EI%2FCI (accessed July 4, 2009). |
| CBE/CSE | EI/CI [Internet]. All Acronyms; 2009 Jul 4, 08:13 [cited 2009 Jul 4]. Available from: http://www.all-acronyms.com/EI%2FCI. |
| Bluebook | EI/CI, http://www.all-acronyms.com/EI%2FCI (last visited July 4, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, EI/CI, http://www.all-acronyms.com/EI%2FCI (optional description here) (as of Jul. 4, 2009, 08:13). |
| AMA | EI/CI. All Acronyms. July 4, 2009, 08:13. Available at: http://www.all-acronyms.com/EI%2FCI. Accessed July 4, 2009. |
Electron Ionization/Chemical Ionization