| APA | HAGM. (2012, February 15). In Acronym Geek. Retrieved 22:57, February 15, 2012, from http://www.acronymgeek.com/HAGM |
| MLA | "HAGM." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HAGM>. |
| MHRA | 'HAGM', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HAGM> [accessed 15 February 2012] |
| Chicago | "HAGM", http://www.acronymgeek.com/HAGM (accessed February 15, 2012). |
| CBE/CSE | HAGM [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HAGM. |
| Bluebook | HAGM, http://www.acronymgeek.com/HAGM (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAGM, http://www.acronymgeek.com/HAGM (optional description here) (as of Feb. 15, 2012, 22:57). |
| AMA | HAGM. Acronym Geek. February 15, 2012, 22:57. Available at: http://www.acronymgeek.com/HAGM. Accessed February 15, 2012, 22:57. |