| APA | GAS. (2012, February 14). In Acronym Geek. Retrieved 10:13, February 14, 2012, from http://www.acronymgeek.com/GAS |
| MLA | "GAS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GAS>. |
| MHRA | 'GAS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GAS> [accessed 14 February 2012] |
| Chicago | "GAS", http://www.acronymgeek.com/GAS (accessed February 14, 2012). |
| CBE/CSE | GAS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GAS. |
| Bluebook | GAS, http://www.acronymgeek.com/GAS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GAS, http://www.acronymgeek.com/GAS (optional description here) (as of Feb. 14, 2012, 10:13). |
| AMA | GAS. Acronym Geek. February 14, 2012, 10:13. Available at: http://www.acronymgeek.com/GAS. Accessed February 14, 2012, 10:13. |