| APA | ERRO. (2012, February 15). In Acronym Geek. Retrieved 06:22, February 15, 2012, from http://www.acronymgeek.com/ERRO |
| MLA | "ERRO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ERRO>. |
| MHRA | 'ERRO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ERRO> [accessed 15 February 2012] |
| Chicago | "ERRO", http://www.acronymgeek.com/ERRO (accessed February 15, 2012). |
| CBE/CSE | ERRO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ERRO. |
| Bluebook | ERRO, http://www.acronymgeek.com/ERRO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERRO, http://www.acronymgeek.com/ERRO (optional description here) (as of Feb. 15, 2012, 06:22). |
| AMA | ERRO. Acronym Geek. February 15, 2012, 06:22. Available at: http://www.acronymgeek.com/ERRO. Accessed February 15, 2012, 06:22. |