| APA | BIGN. (2012, February 16). In Acronym Geek. Retrieved 02:40, February 16, 2012, from http://www.acronymgeek.com/BIGN |
| MLA | "BIGN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/BIGN>. |
| MHRA | 'BIGN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/BIGN> [accessed 16 February 2012] |
| Chicago | "BIGN", http://www.acronymgeek.com/BIGN (accessed February 16, 2012). |
| CBE/CSE | BIGN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/BIGN. |
| Bluebook | BIGN, http://www.acronymgeek.com/BIGN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BIGN, http://www.acronymgeek.com/BIGN (optional description here) (as of Feb. 16, 2012, 02:40). |
| AMA | BIGN. Acronym Geek. February 16, 2012, 02:40. Available at: http://www.acronymgeek.com/BIGN. Accessed February 16, 2012, 02:40. |