| APA | HTAN. (2012, February 14). In Acronym Geek. Retrieved 12:13, February 14, 2012, from http://www.acronymgeek.com/HTAN |
| MLA | "HTAN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HTAN>. |
| MHRA | 'HTAN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HTAN> [accessed 14 February 2012] |
| Chicago | "HTAN", http://www.acronymgeek.com/HTAN (accessed February 14, 2012). |
| CBE/CSE | HTAN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HTAN. |
| Bluebook | HTAN, http://www.acronymgeek.com/HTAN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTAN, http://www.acronymgeek.com/HTAN (optional description here) (as of Feb. 14, 2012, 12:13). |
| AMA | HTAN. Acronym Geek. February 14, 2012, 12:13. Available at: http://www.acronymgeek.com/HTAN. Accessed February 14, 2012, 12:13. |