| APA | GTKM. (2012, February 16). In Acronym Geek. Retrieved 04:21, February 16, 2012, from http://www.acronymgeek.com/GTKM |
| MLA | "GTKM." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GTKM>. |
| MHRA | 'GTKM', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GTKM> [accessed 16 February 2012] |
| Chicago | "GTKM", http://www.acronymgeek.com/GTKM (accessed February 16, 2012). |
| CBE/CSE | GTKM [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GTKM. |
| Bluebook | GTKM, http://www.acronymgeek.com/GTKM (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTKM, http://www.acronymgeek.com/GTKM (optional description here) (as of Feb. 16, 2012, 04:21). |
| AMA | GTKM. Acronym Geek. February 16, 2012, 04:21. Available at: http://www.acronymgeek.com/GTKM. Accessed February 16, 2012, 04:21. |