| APA | ER-163. (2012, February 12). In Acronym Geek. Retrieved 09:00, February 12, 2012, from http://www.acronymgeek.com/ER-163 |
| MLA | "ER-163." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ER-163>. |
| MHRA | 'ER-163', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ER-163> [accessed 12 February 2012] |
| Chicago | "ER-163", http://www.acronymgeek.com/ER-163 (accessed February 12, 2012). |
| CBE/CSE | ER-163 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ER-163. |
| Bluebook | ER-163, http://www.acronymgeek.com/ER-163 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ER-163, http://www.acronymgeek.com/ER-163 (optional description here) (as of Feb. 12, 2012, 09:00). |
| AMA | ER-163. Acronym Geek. February 12, 2012, 09:00. Available at: http://www.acronymgeek.com/ER-163. Accessed February 12, 2012, 09:00. |