| APA | ARNO. (2012, February 11). In Acronym Geek. Retrieved 20:26, February 11, 2012, from http://www.acronymgeek.com/ARNO |
| MLA | "ARNO." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/ARNO>. |
| MHRA | 'ARNO', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/ARNO> [accessed 11 February 2012] |
| Chicago | "ARNO", http://www.acronymgeek.com/ARNO (accessed February 11, 2012). |
| CBE/CSE | ARNO [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/ARNO. |
| Bluebook | ARNO, http://www.acronymgeek.com/ARNO (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ARNO, http://www.acronymgeek.com/ARNO (optional description here) (as of Feb. 11, 2012, 20:26). |
| AMA | ARNO. Acronym Geek. February 11, 2012, 20:26. Available at: http://www.acronymgeek.com/ARNO. Accessed February 11, 2012, 20:26. |