| APA | ANNA. (2012, February 17). In Acronym Geek. Retrieved 01:28, February 17, 2012, from http://www.acronymgeek.com/ANNA |
| MLA | "ANNA." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ANNA>. |
| MHRA | 'ANNA', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ANNA> [accessed 17 February 2012] |
| Chicago | "ANNA", http://www.acronymgeek.com/ANNA (accessed February 17, 2012). |
| CBE/CSE | ANNA [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ANNA. |
| Bluebook | ANNA, http://www.acronymgeek.com/ANNA (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ANNA, http://www.acronymgeek.com/ANNA (optional description here) (as of Feb. 17, 2012, 01:28). |
| AMA | ANNA. Acronym Geek. February 17, 2012, 01:28. Available at: http://www.acronymgeek.com/ANNA. Accessed February 17, 2012, 01:28. |