| APA | ZHDR. (2012, February 15). In Acronym Geek. Retrieved 01:03, February 15, 2012, from http://www.acronymgeek.com/ZHDR |
| MLA | "ZHDR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ZHDR>. |
| MHRA | 'ZHDR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ZHDR> [accessed 15 February 2012] |
| Chicago | "ZHDR", http://www.acronymgeek.com/ZHDR (accessed February 15, 2012). |
| CBE/CSE | ZHDR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ZHDR. |
| Bluebook | ZHDR, http://www.acronymgeek.com/ZHDR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZHDR, http://www.acronymgeek.com/ZHDR (optional description here) (as of Feb. 15, 2012, 01:03). |
| AMA | ZHDR. Acronym Geek. February 15, 2012, 01:03. Available at: http://www.acronymgeek.com/ZHDR. Accessed February 15, 2012, 01:03. |