| APA | hecto joule (HJ). (2012, February 13). In Acronym Geek. Retrieved 22:22, February 13, 2012, from http://www.acronymgeek.com/HJ/hecto_joule |
| MLA | "hecto joule (HJ)." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/HJ/hecto_joule>. |
| MHRA | 'hecto joule (HJ)', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/HJ/hecto_joule> [accessed 13 February 2012] |
| Chicago | "hecto joule (HJ)", http://www.acronymgeek.com/HJ/hecto_joule (accessed February 13, 2012). |
| CBE/CSE | hecto joule (HJ) [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/HJ/hecto_joule. |
| Bluebook | hecto joule (HJ), http://www.acronymgeek.com/HJ/hecto_joule (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, hecto joule (HJ), http://www.acronymgeek.com/HJ/hecto_joule (optional description here) (as of Feb. 13, 2012, 22:22). |
| AMA | hecto joule (HJ). Acronym Geek. February 13, 2012, 22:22. Available at: http://www.acronymgeek.com/HJ/hecto_joule. Accessed February 13, 2012, 22:22. |