| APA | ABNF. (2012, February 9). In Acronym Geek. Retrieved 12:17, February 9, 2012, from http://www.acronymgeek.com/ABNF |
| MLA | "ABNF." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/ABNF>. |
| MHRA | 'ABNF', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/ABNF> [accessed 9 February 2012] |
| Chicago | "ABNF", http://www.acronymgeek.com/ABNF (accessed February 9, 2012). |
| CBE/CSE | ABNF [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/ABNF. |
| Bluebook | ABNF, http://www.acronymgeek.com/ABNF (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ABNF, http://www.acronymgeek.com/ABNF (optional description here) (as of Feb. 9, 2012, 12:17). |
| AMA | ABNF. Acronym Geek. February 9, 2012, 12:17. Available at: http://www.acronymgeek.com/ABNF. Accessed February 9, 2012, 12:17. |