| APA | HOW. (2012, February 14). In Acronym Geek. Retrieved 06:28, February 14, 2012, from http://www.acronymgeek.com/HOW |
| MLA | "HOW." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HOW>. |
| MHRA | 'HOW', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HOW> [accessed 14 February 2012] |
| Chicago | "HOW", http://www.acronymgeek.com/HOW (accessed February 14, 2012). |
| CBE/CSE | HOW [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HOW. |
| Bluebook | HOW, http://www.acronymgeek.com/HOW (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HOW, http://www.acronymgeek.com/HOW (optional description here) (as of Feb. 14, 2012, 06:28). |
| AMA | HOW. Acronym Geek. February 14, 2012, 06:28. Available at: http://www.acronymgeek.com/HOW. Accessed February 14, 2012, 06:28. |