| APA | ER-459. (2012, February 12). In Acronym Geek. Retrieved 15:25, February 12, 2012, from http://www.acronymgeek.com/ER-459 |
| MLA | "ER-459." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ER-459>. |
| MHRA | 'ER-459', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ER-459> [accessed 12 February 2012] |
| Chicago | "ER-459", http://www.acronymgeek.com/ER-459 (accessed February 12, 2012). |
| CBE/CSE | ER-459 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ER-459. |
| Bluebook | ER-459, http://www.acronymgeek.com/ER-459 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ER-459, http://www.acronymgeek.com/ER-459 (optional description here) (as of Feb. 12, 2012, 15:25). |
| AMA | ER-459. Acronym Geek. February 12, 2012, 15:25. Available at: http://www.acronymgeek.com/ER-459. Accessed February 12, 2012, 15:25. |