| APA | HAR. (2012, February 10). In Acronym Geek. Retrieved 17:56, February 10, 2012, from http://www.acronymgeek.com/HAR |
| MLA | "HAR." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/HAR>. |
| MHRA | 'HAR', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/HAR> [accessed 10 February 2012] |
| Chicago | "HAR", http://www.acronymgeek.com/HAR (accessed February 10, 2012). |
| CBE/CSE | HAR [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/HAR. |
| Bluebook | HAR, http://www.acronymgeek.com/HAR (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAR, http://www.acronymgeek.com/HAR (optional description here) (as of Feb. 10, 2012, 17:56). |
| AMA | HAR. Acronym Geek. February 10, 2012, 17:56. Available at: http://www.acronymgeek.com/HAR. Accessed February 10, 2012, 17:56. |