| APA | ERQK. (2012, February 15). In Acronym Geek. Retrieved 18:29, February 15, 2012, from http://www.acronymgeek.com/ERQK |
| MLA | "ERQK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ERQK>. |
| MHRA | 'ERQK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ERQK> [accessed 15 February 2012] |
| Chicago | "ERQK", http://www.acronymgeek.com/ERQK (accessed February 15, 2012). |
| CBE/CSE | ERQK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ERQK. |
| Bluebook | ERQK, http://www.acronymgeek.com/ERQK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERQK, http://www.acronymgeek.com/ERQK (optional description here) (as of Feb. 15, 2012, 18:29). |
| AMA | ERQK. Acronym Geek. February 15, 2012, 18:29. Available at: http://www.acronymgeek.com/ERQK. Accessed February 15, 2012, 18:29. |