| APA | GAIA. (2012, February 12). In Acronym Geek. Retrieved 05:42, February 12, 2012, from http://www.acronymgeek.com/GAIA |
| MLA | "GAIA." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/GAIA>. |
| MHRA | 'GAIA', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/GAIA> [accessed 12 February 2012] |
| Chicago | "GAIA", http://www.acronymgeek.com/GAIA (accessed February 12, 2012). |
| CBE/CSE | GAIA [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/GAIA. |
| Bluebook | GAIA, http://www.acronymgeek.com/GAIA (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GAIA, http://www.acronymgeek.com/GAIA (optional description here) (as of Feb. 12, 2012, 05:42). |
| AMA | GAIA. Acronym Geek. February 12, 2012, 05:42. Available at: http://www.acronymgeek.com/GAIA. Accessed February 12, 2012, 05:42. |