| APA | ATD. (2012, February 14). In Acronym Geek. Retrieved 07:59, February 14, 2012, from http://www.acronymgeek.com/ATD |
| MLA | "ATD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ATD>. |
| MHRA | 'ATD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ATD> [accessed 14 February 2012] |
| Chicago | "ATD", http://www.acronymgeek.com/ATD (accessed February 14, 2012). |
| CBE/CSE | ATD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ATD. |
| Bluebook | ATD, http://www.acronymgeek.com/ATD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ATD, http://www.acronymgeek.com/ATD (optional description here) (as of Feb. 14, 2012, 07:59). |
| AMA | ATD. Acronym Geek. February 14, 2012, 07:59. Available at: http://www.acronymgeek.com/ATD. Accessed February 14, 2012, 07:59. |