| APA | ARK. (2012, February 14). In Acronym Geek. Retrieved 20:33, February 14, 2012, from http://www.acronymgeek.com/ARK |
| MLA | "ARK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ARK>. |
| MHRA | 'ARK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ARK> [accessed 14 February 2012] |
| Chicago | "ARK", http://www.acronymgeek.com/ARK (accessed February 14, 2012). |
| CBE/CSE | ARK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ARK. |
| Bluebook | ARK, http://www.acronymgeek.com/ARK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ARK, http://www.acronymgeek.com/ARK (optional description here) (as of Feb. 14, 2012, 20:33). |
| AMA | ARK. Acronym Geek. February 14, 2012, 20:33. Available at: http://www.acronymgeek.com/ARK. Accessed February 14, 2012, 20:33. |