| APA | ER-164. (2012, February 12). In Acronym Geek. Retrieved 15:36, February 12, 2012, from http://www.acronymgeek.com/ER-164 |
| MLA | "ER-164." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ER-164>. |
| MHRA | 'ER-164', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ER-164> [accessed 12 February 2012] |
| Chicago | "ER-164", http://www.acronymgeek.com/ER-164 (accessed February 12, 2012). |
| CBE/CSE | ER-164 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ER-164. |
| Bluebook | ER-164, http://www.acronymgeek.com/ER-164 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ER-164, http://www.acronymgeek.com/ER-164 (optional description here) (as of Feb. 12, 2012, 15:36). |
| AMA | ER-164. Acronym Geek. February 12, 2012, 15:36. Available at: http://www.acronymgeek.com/ER-164. Accessed February 12, 2012, 15:36. |