| APA | ER-ALPHA. (2012, February 12). In Acronym Geek. Retrieved 13:41, February 12, 2012, from http://www.acronymgeek.com/ER-ALPHA |
| MLA | "ER-ALPHA." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ER-ALPHA>. |
| MHRA | 'ER-ALPHA', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ER-ALPHA> [accessed 12 February 2012] |
| Chicago | "ER-ALPHA", http://www.acronymgeek.com/ER-ALPHA (accessed February 12, 2012). |
| CBE/CSE | ER-ALPHA [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ER-ALPHA. |
| Bluebook | ER-ALPHA, http://www.acronymgeek.com/ER-ALPHA (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ER-ALPHA, http://www.acronymgeek.com/ER-ALPHA (optional description here) (as of Feb. 12, 2012, 13:41). |
| AMA | ER-ALPHA. Acronym Geek. February 12, 2012, 13:41. Available at: http://www.acronymgeek.com/ER-ALPHA. Accessed February 12, 2012, 13:41. |