| APA | HRCY. (2012, February 17). In Acronym Geek. Retrieved 00:49, February 17, 2012, from http://www.acronymgeek.com/HRCY |
| MLA | "HRCY." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HRCY>. |
| MHRA | 'HRCY', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HRCY> [accessed 17 February 2012] |
| Chicago | "HRCY", http://www.acronymgeek.com/HRCY (accessed February 17, 2012). |
| CBE/CSE | HRCY [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HRCY. |
| Bluebook | HRCY, http://www.acronymgeek.com/HRCY (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HRCY, http://www.acronymgeek.com/HRCY (optional description here) (as of Feb. 17, 2012, 00:49). |
| AMA | HRCY. Acronym Geek. February 17, 2012, 00:49. Available at: http://www.acronymgeek.com/HRCY. Accessed February 17, 2012, 00:49. |