| APA | DH/PH. (2012, February 12). In Acronym Geek. Retrieved 07:51, February 12, 2012, from http://www.acronymgeek.com/DH/PH |
| MLA | "DH/PH." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/DH/PH>. |
| MHRA | 'DH/PH', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/DH/PH> [accessed 12 February 2012] |
| Chicago | "DH/PH", http://www.acronymgeek.com/DH/PH (accessed February 12, 2012). |
| CBE/CSE | DH/PH [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/DH/PH. |
| Bluebook | DH/PH, http://www.acronymgeek.com/DH/PH (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DH/PH, http://www.acronymgeek.com/DH/PH (optional description here) (as of Feb. 12, 2012, 07:51). |
| AMA | DH/PH. Acronym Geek. February 12, 2012, 07:51. Available at: http://www.acronymgeek.com/DH/PH. Accessed February 12, 2012, 07:51. |