| APA | BULL VOLCANOL. (2012, February 12). In Acronym Geek. Retrieved 09:45, February 12, 2012, from http://www.acronymgeek.com/BULL VOLCANOL |
| MLA | "BULL VOLCANOL." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/BULL VOLCANOL>. |
| MHRA | 'BULL VOLCANOL', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/BULL VOLCANOL> [accessed 12 February 2012] |
| Chicago | "BULL VOLCANOL", http://www.acronymgeek.com/BULL VOLCANOL (accessed February 12, 2012). |
| CBE/CSE | BULL VOLCANOL [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/BULL VOLCANOL. |
| Bluebook | BULL VOLCANOL, http://www.acronymgeek.com/BULL VOLCANOL (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BULL VOLCANOL, http://www.acronymgeek.com/BULL VOLCANOL (optional description here) (as of Feb. 12, 2012, 09:45). |
| AMA | BULL VOLCANOL. Acronym Geek. February 12, 2012, 09:45. Available at: http://www.acronymgeek.com/BULL VOLCANOL. Accessed February 12, 2012, 09:45. |