| APA | BIGI. (2012, February 15). In Acronym Geek. Retrieved 11:30, February 15, 2012, from http://www.acronymgeek.com/BIGI |
| MLA | "BIGI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/BIGI>. |
| MHRA | 'BIGI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/BIGI> [accessed 15 February 2012] |
| Chicago | "BIGI", http://www.acronymgeek.com/BIGI (accessed February 15, 2012). |
| CBE/CSE | BIGI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/BIGI. |
| Bluebook | BIGI, http://www.acronymgeek.com/BIGI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BIGI, http://www.acronymgeek.com/BIGI (optional description here) (as of Feb. 15, 2012, 11:30). |
| AMA | BIGI. Acronym Geek. February 15, 2012, 11:30. Available at: http://www.acronymgeek.com/BIGI. Accessed February 15, 2012, 11:30. |