| APA | HTNA. (2012, February 15). In Acronym Geek. Retrieved 23:08, February 15, 2012, from http://www.acronymgeek.com/HTNA |
| MLA | "HTNA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HTNA>. |
| MHRA | 'HTNA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HTNA> [accessed 15 February 2012] |
| Chicago | "HTNA", http://www.acronymgeek.com/HTNA (accessed February 15, 2012). |
| CBE/CSE | HTNA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HTNA. |
| Bluebook | HTNA, http://www.acronymgeek.com/HTNA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTNA, http://www.acronymgeek.com/HTNA (optional description here) (as of Feb. 15, 2012, 23:08). |
| AMA | HTNA. Acronym Geek. February 15, 2012, 23:08. Available at: http://www.acronymgeek.com/HTNA. Accessed February 15, 2012, 23:08. |