| APA | HGTD. (2012, February 16). In Acronym Geek. Retrieved 06:23, February 16, 2012, from http://www.acronymgeek.com/HGTD |
| MLA | "HGTD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HGTD>. |
| MHRA | 'HGTD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HGTD> [accessed 16 February 2012] |
| Chicago | "HGTD", http://www.acronymgeek.com/HGTD (accessed February 16, 2012). |
| CBE/CSE | HGTD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HGTD. |
| Bluebook | HGTD, http://www.acronymgeek.com/HGTD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGTD, http://www.acronymgeek.com/HGTD (optional description here) (as of Feb. 16, 2012, 06:23). |
| AMA | HGTD. Acronym Geek. February 16, 2012, 06:23. Available at: http://www.acronymgeek.com/HGTD. Accessed February 16, 2012, 06:23. |