| APA | ERTMS. (2012, February 12). In Acronym Geek. Retrieved 10:58, February 12, 2012, from http://www.acronymgeek.com/ERTMS |
| MLA | "ERTMS." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ERTMS>. |
| MHRA | 'ERTMS', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ERTMS> [accessed 12 February 2012] |
| Chicago | "ERTMS", http://www.acronymgeek.com/ERTMS (accessed February 12, 2012). |
| CBE/CSE | ERTMS [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ERTMS. |
| Bluebook | ERTMS, http://www.acronymgeek.com/ERTMS (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERTMS, http://www.acronymgeek.com/ERTMS (optional description here) (as of Feb. 12, 2012, 10:58). |
| AMA | ERTMS. Acronym Geek. February 12, 2012, 10:58. Available at: http://www.acronymgeek.com/ERTMS. Accessed February 12, 2012, 10:58. |