| APA | ED50. (2012, February 10). In Acronym Geek. Retrieved 12:04, February 10, 2012, from http://www.acronymgeek.com/ED50 |
| MLA | "ED50." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/ED50>. |
| MHRA | 'ED50', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/ED50> [accessed 10 February 2012] |
| Chicago | "ED50", http://www.acronymgeek.com/ED50 (accessed February 10, 2012). |
| CBE/CSE | ED50 [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/ED50. |
| Bluebook | ED50, http://www.acronymgeek.com/ED50 (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ED50, http://www.acronymgeek.com/ED50 (optional description here) (as of Feb. 10, 2012, 12:04). |
| AMA | ED50. Acronym Geek. February 10, 2012, 12:04. Available at: http://www.acronymgeek.com/ED50. Accessed February 10, 2012, 12:04. |