| APA | HMAC. (2012, February 15). In Acronym Geek. Retrieved 19:57, February 15, 2012, from http://www.acronymgeek.com/HMAC |
| MLA | "HMAC." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HMAC>. |
| MHRA | 'HMAC', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HMAC> [accessed 15 February 2012] |
| Chicago | "HMAC", http://www.acronymgeek.com/HMAC (accessed February 15, 2012). |
| CBE/CSE | HMAC [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HMAC. |
| Bluebook | HMAC, http://www.acronymgeek.com/HMAC (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HMAC, http://www.acronymgeek.com/HMAC (optional description here) (as of Feb. 15, 2012, 19:57). |
| AMA | HMAC. Acronym Geek. February 15, 2012, 19:57. Available at: http://www.acronymgeek.com/HMAC. Accessed February 15, 2012, 19:57. |