| APA | HSUS. (2012, February 16). In Acronym Geek. Retrieved 10:29, February 16, 2012, from http://www.acronymgeek.com/HSUS |
| MLA | "HSUS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HSUS>. |
| MHRA | 'HSUS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HSUS> [accessed 16 February 2012] |
| Chicago | "HSUS", http://www.acronymgeek.com/HSUS (accessed February 16, 2012). |
| CBE/CSE | HSUS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HSUS. |
| Bluebook | HSUS, http://www.acronymgeek.com/HSUS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HSUS, http://www.acronymgeek.com/HSUS (optional description here) (as of Feb. 16, 2012, 10:29). |
| AMA | HSUS. Acronym Geek. February 16, 2012, 10:29. Available at: http://www.acronymgeek.com/HSUS. Accessed February 16, 2012, 10:29. |