| APA | MHLO. (2012, February 16). In Acronym Geek. Retrieved 02:44, February 16, 2012, from http://www.acronymgeek.com/MHLO |
| MLA | "MHLO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/MHLO>. |
| MHRA | 'MHLO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/MHLO> [accessed 16 February 2012] |
| Chicago | "MHLO", http://www.acronymgeek.com/MHLO (accessed February 16, 2012). |
| CBE/CSE | MHLO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/MHLO. |
| Bluebook | MHLO, http://www.acronymgeek.com/MHLO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, MHLO, http://www.acronymgeek.com/MHLO (optional description here) (as of Feb. 16, 2012, 02:44). |
| AMA | MHLO. Acronym Geek. February 16, 2012, 02:44. Available at: http://www.acronymgeek.com/MHLO. Accessed February 16, 2012, 02:44. |