| APA | ERQ. (2012, February 13). In Acronym Geek. Retrieved 23:57, February 13, 2012, from http://www.acronymgeek.com/ERQ |
| MLA | "ERQ." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/ERQ>. |
| MHRA | 'ERQ', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/ERQ> [accessed 13 February 2012] |
| Chicago | "ERQ", http://www.acronymgeek.com/ERQ (accessed February 13, 2012). |
| CBE/CSE | ERQ [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/ERQ. |
| Bluebook | ERQ, http://www.acronymgeek.com/ERQ (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERQ, http://www.acronymgeek.com/ERQ (optional description here) (as of Feb. 13, 2012, 23:57). |
| AMA | ERQ. Acronym Geek. February 13, 2012, 23:57. Available at: http://www.acronymgeek.com/ERQ. Accessed February 13, 2012, 23:57. |