| APA | HACG. (2012, February 15). In Acronym Geek. Retrieved 02:30, February 15, 2012, from http://www.acronymgeek.com/HACG |
| MLA | "HACG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HACG>. |
| MHRA | 'HACG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HACG> [accessed 15 February 2012] |
| Chicago | "HACG", http://www.acronymgeek.com/HACG (accessed February 15, 2012). |
| CBE/CSE | HACG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HACG. |
| Bluebook | HACG, http://www.acronymgeek.com/HACG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HACG, http://www.acronymgeek.com/HACG (optional description here) (as of Feb. 15, 2012, 02:30). |
| AMA | HACG. Acronym Geek. February 15, 2012, 02:30. Available at: http://www.acronymgeek.com/HACG. Accessed February 15, 2012, 02:30. |