| Style | Reference Text |
|---|
| APA | PORTIS tagged railway. (2009, December 3). In All Acronyms. Retrieved 09:17, December 3, 2009, from http://www.all-acronyms.com/PORTIS/tag/railway |
| MLA | "PORTIS tagged railway." All Acronyms. 3 Dec 2009, 09:17. All Acronyms. 3 Dec 2009 <http://www.all-acronyms.com/PORTIS/tag/railway>. |
| MHRA | 'PORTIS tagged railway', All Acronyms, 3 December 2009, 09:17, <http://www.all-acronyms.com/PORTIS/tag/railway> [accessed 3 December 2009] |
| Chicago | "PORTIS tagged railway," http://www.all-acronyms.com/PORTIS/tag/railway (accessed December 3, 2009). |
| CBE/CSE | PORTIS tagged railway [Internet]. All Acronyms; 2009 Dec 3, 09:17 [cited 2009 Dec 3]. Available from: http://www.all-acronyms.com/PORTIS/tag/railway. |
| Bluebook | PORTIS tagged railway, http://www.all-acronyms.com/PORTIS/tag/railway (last visited December 3, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, PORTIS tagged railway, http://www.all-acronyms.com/PORTIS/tag/railway (optional description here) (as of Dec. 3, 2009, 09:17). |
| AMA | PORTIS tagged railway. All Acronyms. December 3, 2009, 09:17. Available at: http://www.all-acronyms.com/PORTIS/tag/railway. Accessed December 3, 2009. |
Portable Ticket Issuing System