| APA | HAGR. (2012, February 15). In Acronym Geek. Retrieved 06:23, February 15, 2012, from http://www.acronymgeek.com/HAGR |
| MLA | "HAGR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HAGR>. |
| MHRA | 'HAGR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HAGR> [accessed 15 February 2012] |
| Chicago | "HAGR", http://www.acronymgeek.com/HAGR (accessed February 15, 2012). |
| CBE/CSE | HAGR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HAGR. |
| Bluebook | HAGR, http://www.acronymgeek.com/HAGR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAGR, http://www.acronymgeek.com/HAGR (optional description here) (as of Feb. 15, 2012, 06:23). |
| AMA | HAGR. Acronym Geek. February 15, 2012, 06:23. Available at: http://www.acronymgeek.com/HAGR. Accessed February 15, 2012, 06:23. |