| APA | HLB. (2012, February 14). In Acronym Geek. Retrieved 09:40, February 14, 2012, from http://www.acronymgeek.com/HLB |
| MLA | "HLB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HLB>. |
| MHRA | 'HLB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HLB> [accessed 14 February 2012] |
| Chicago | "HLB", http://www.acronymgeek.com/HLB (accessed February 14, 2012). |
| CBE/CSE | HLB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HLB. |
| Bluebook | HLB, http://www.acronymgeek.com/HLB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HLB, http://www.acronymgeek.com/HLB (optional description here) (as of Feb. 14, 2012, 09:40). |
| AMA | HLB. Acronym Geek. February 14, 2012, 09:40. Available at: http://www.acronymgeek.com/HLB. Accessed February 14, 2012, 09:40. |