| APA | A2R. (2012, February 11). In Acronym Geek. Retrieved 22:28, February 11, 2012, from http://www.acronymgeek.com/A2R |
| MLA | "A2R." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/A2R>. |
| MHRA | 'A2R', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/A2R> [accessed 11 February 2012] |
| Chicago | "A2R", http://www.acronymgeek.com/A2R (accessed February 11, 2012). |
| CBE/CSE | A2R [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/A2R. |
| Bluebook | A2R, http://www.acronymgeek.com/A2R (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, A2R, http://www.acronymgeek.com/A2R (optional description here) (as of Feb. 11, 2012, 22:28). |
| AMA | A2R. Acronym Geek. February 11, 2012, 22:28. Available at: http://www.acronymgeek.com/A2R. Accessed February 11, 2012, 22:28. |