| APA | HTNO. (2012, February 14). In Acronym Geek. Retrieved 00:45, February 14, 2012, from http://www.acronymgeek.com/HTNO |
| MLA | "HTNO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HTNO>. |
| MHRA | 'HTNO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HTNO> [accessed 14 February 2012] |
| Chicago | "HTNO", http://www.acronymgeek.com/HTNO (accessed February 14, 2012). |
| CBE/CSE | HTNO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HTNO. |
| Bluebook | HTNO, http://www.acronymgeek.com/HTNO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTNO, http://www.acronymgeek.com/HTNO (optional description here) (as of Feb. 14, 2012, 00:45). |
| AMA | HTNO. Acronym Geek. February 14, 2012, 00:45. Available at: http://www.acronymgeek.com/HTNO. Accessed February 14, 2012, 00:45. |