| APA | GCP. (2012, February 9). In Acronym Geek. Retrieved 19:35, February 9, 2012, from http://www.acronymgeek.com/GCP |
| MLA | "GCP." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/GCP>. |
| MHRA | 'GCP', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/GCP> [accessed 9 February 2012] |
| Chicago | "GCP", http://www.acronymgeek.com/GCP (accessed February 9, 2012). |
| CBE/CSE | GCP [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/GCP. |
| Bluebook | GCP, http://www.acronymgeek.com/GCP (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GCP, http://www.acronymgeek.com/GCP (optional description here) (as of Feb. 9, 2012, 19:35). |
| AMA | GCP. Acronym Geek. February 9, 2012, 19:35. Available at: http://www.acronymgeek.com/GCP. Accessed February 9, 2012, 19:35. |