| APA | HARB. (2012, February 15). In Acronym Geek. Retrieved 05:59, February 15, 2012, from http://www.acronymgeek.com/HARB |
| MLA | "HARB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HARB>. |
| MHRA | 'HARB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HARB> [accessed 15 February 2012] |
| Chicago | "HARB", http://www.acronymgeek.com/HARB (accessed February 15, 2012). |
| CBE/CSE | HARB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HARB. |
| Bluebook | HARB, http://www.acronymgeek.com/HARB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HARB, http://www.acronymgeek.com/HARB (optional description here) (as of Feb. 15, 2012, 05:59). |
| AMA | HARB. Acronym Geek. February 15, 2012, 05:59. Available at: http://www.acronymgeek.com/HARB. Accessed February 15, 2012, 05:59. |