| APA | BLDN. (2012, February 15). In Acronym Geek. Retrieved 23:12, February 15, 2012, from http://www.acronymgeek.com/BLDN |
| MLA | "BLDN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/BLDN>. |
| MHRA | 'BLDN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/BLDN> [accessed 15 February 2012] |
| Chicago | "BLDN", http://www.acronymgeek.com/BLDN (accessed February 15, 2012). |
| CBE/CSE | BLDN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/BLDN. |
| Bluebook | BLDN, http://www.acronymgeek.com/BLDN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BLDN, http://www.acronymgeek.com/BLDN (optional description here) (as of Feb. 15, 2012, 23:12). |
| AMA | BLDN. Acronym Geek. February 15, 2012, 23:12. Available at: http://www.acronymgeek.com/BLDN. Accessed February 15, 2012, 23:12. |