| APA | HAGD. (2012, February 12). In Acronym Geek. Retrieved 07:20, February 12, 2012, from http://www.acronymgeek.com/HAGD |
| MLA | "HAGD." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/HAGD>. |
| MHRA | 'HAGD', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/HAGD> [accessed 12 February 2012] |
| Chicago | "HAGD", http://www.acronymgeek.com/HAGD (accessed February 12, 2012). |
| CBE/CSE | HAGD [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/HAGD. |
| Bluebook | HAGD, http://www.acronymgeek.com/HAGD (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAGD, http://www.acronymgeek.com/HAGD (optional description here) (as of Feb. 12, 2012, 07:20). |
| AMA | HAGD. Acronym Geek. February 12, 2012, 07:20. Available at: http://www.acronymgeek.com/HAGD. Accessed February 12, 2012, 07:20. |