| APA | HETM. (2012, February 16). In Acronym Geek. Retrieved 14:52, February 16, 2012, from http://www.acronymgeek.com/HETM |
| MLA | "HETM." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HETM>. |
| MHRA | 'HETM', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HETM> [accessed 16 February 2012] |
| Chicago | "HETM", http://www.acronymgeek.com/HETM (accessed February 16, 2012). |
| CBE/CSE | HETM [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HETM. |
| Bluebook | HETM, http://www.acronymgeek.com/HETM (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HETM, http://www.acronymgeek.com/HETM (optional description here) (as of Feb. 16, 2012, 14:52). |
| AMA | HETM. Acronym Geek. February 16, 2012, 14:52. Available at: http://www.acronymgeek.com/HETM. Accessed February 16, 2012, 14:52. |