| APA | ECR. (2012, February 9). In Acronym Geek. Retrieved 19:53, February 9, 2012, from http://www.acronymgeek.com/ECR |
| MLA | "ECR." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/ECR>. |
| MHRA | 'ECR', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/ECR> [accessed 9 February 2012] |
| Chicago | "ECR", http://www.acronymgeek.com/ECR (accessed February 9, 2012). |
| CBE/CSE | ECR [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/ECR. |
| Bluebook | ECR, http://www.acronymgeek.com/ECR (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECR, http://www.acronymgeek.com/ECR (optional description here) (as of Feb. 9, 2012, 19:53). |
| AMA | ECR. Acronym Geek. February 9, 2012, 19:53. Available at: http://www.acronymgeek.com/ECR. Accessed February 9, 2012, 19:53. |