| APA | ERND. (2012, February 16). In Acronym Geek. Retrieved 00:28, February 16, 2012, from http://www.acronymgeek.com/ERND |
| MLA | "ERND." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ERND>. |
| MHRA | 'ERND', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ERND> [accessed 16 February 2012] |
| Chicago | "ERND", http://www.acronymgeek.com/ERND (accessed February 16, 2012). |
| CBE/CSE | ERND [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ERND. |
| Bluebook | ERND, http://www.acronymgeek.com/ERND (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERND, http://www.acronymgeek.com/ERND (optional description here) (as of Feb. 16, 2012, 00:28). |
| AMA | ERND. Acronym Geek. February 16, 2012, 00:28. Available at: http://www.acronymgeek.com/ERND. Accessed February 16, 2012, 00:28. |