| APA | GCMS. (2012, February 15). In Acronym Geek. Retrieved 16:15, February 15, 2012, from http://www.acronymgeek.com/GCMS |
| MLA | "GCMS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GCMS>. |
| MHRA | 'GCMS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GCMS> [accessed 15 February 2012] |
| Chicago | "GCMS", http://www.acronymgeek.com/GCMS (accessed February 15, 2012). |
| CBE/CSE | GCMS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GCMS. |
| Bluebook | GCMS, http://www.acronymgeek.com/GCMS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GCMS, http://www.acronymgeek.com/GCMS (optional description here) (as of Feb. 15, 2012, 16:15). |
| AMA | GCMS. Acronym Geek. February 15, 2012, 16:15. Available at: http://www.acronymgeek.com/GCMS. Accessed February 15, 2012, 16:15. |