| APA | ACKU. (2012, February 12). In Acronym Geek. Retrieved 07:11, February 12, 2012, from http://www.acronymgeek.com/ACKU |
| MLA | "ACKU." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ACKU>. |
| MHRA | 'ACKU', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ACKU> [accessed 12 February 2012] |
| Chicago | "ACKU", http://www.acronymgeek.com/ACKU (accessed February 12, 2012). |
| CBE/CSE | ACKU [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ACKU. |
| Bluebook | ACKU, http://www.acronymgeek.com/ACKU (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ACKU, http://www.acronymgeek.com/ACKU (optional description here) (as of Feb. 12, 2012, 07:11). |
| AMA | ACKU. Acronym Geek. February 12, 2012, 07:11. Available at: http://www.acronymgeek.com/ACKU. Accessed February 12, 2012, 07:11. |