| APA | D4C. (2012, February 13). In Acronym Geek. Retrieved 23:07, February 13, 2012, from http://www.acronymgeek.com/D4C |
| MLA | "D4C." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/D4C>. |
| MHRA | 'D4C', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/D4C> [accessed 13 February 2012] |
| Chicago | "D4C", http://www.acronymgeek.com/D4C (accessed February 13, 2012). |
| CBE/CSE | D4C [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/D4C. |
| Bluebook | D4C, http://www.acronymgeek.com/D4C (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, D4C, http://www.acronymgeek.com/D4C (optional description here) (as of Feb. 13, 2012, 23:07). |
| AMA | D4C. Acronym Geek. February 13, 2012, 23:07. Available at: http://www.acronymgeek.com/D4C. Accessed February 13, 2012, 23:07. |