| APA | HR. (2012, February 9). In Acronym Geek. Retrieved 13:32, February 9, 2012, from http://www.acronymgeek.com/HR |
| MLA | "HR." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/HR>. |
| MHRA | 'HR', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/HR> [accessed 9 February 2012] |
| Chicago | "HR", http://www.acronymgeek.com/HR (accessed February 9, 2012). |
| CBE/CSE | HR [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/HR. |
| Bluebook | HR, http://www.acronymgeek.com/HR (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HR, http://www.acronymgeek.com/HR (optional description here) (as of Feb. 9, 2012, 13:32). |
| AMA | HR. Acronym Geek. February 9, 2012, 13:32. Available at: http://www.acronymgeek.com/HR. Accessed February 9, 2012, 13:32. |