| APA | HTOG. (2012, February 15). In Acronym Geek. Retrieved 06:59, February 15, 2012, from http://www.acronymgeek.com/HTOG |
| MLA | "HTOG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HTOG>. |
| MHRA | 'HTOG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HTOG> [accessed 15 February 2012] |
| Chicago | "HTOG", http://www.acronymgeek.com/HTOG (accessed February 15, 2012). |
| CBE/CSE | HTOG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HTOG. |
| Bluebook | HTOG, http://www.acronymgeek.com/HTOG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTOG, http://www.acronymgeek.com/HTOG (optional description here) (as of Feb. 15, 2012, 06:59). |
| AMA | HTOG. Acronym Geek. February 15, 2012, 06:59. Available at: http://www.acronymgeek.com/HTOG. Accessed February 15, 2012, 06:59. |