| APA | GKP. (2012, February 14). In Acronym Geek. Retrieved 07:55, February 14, 2012, from http://www.acronymgeek.com/GKP |
| MLA | "GKP." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GKP>. |
| MHRA | 'GKP', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GKP> [accessed 14 February 2012] |
| Chicago | "GKP", http://www.acronymgeek.com/GKP (accessed February 14, 2012). |
| CBE/CSE | GKP [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GKP. |
| Bluebook | GKP, http://www.acronymgeek.com/GKP (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GKP, http://www.acronymgeek.com/GKP (optional description here) (as of Feb. 14, 2012, 07:55). |
| AMA | GKP. Acronym Geek. February 14, 2012, 07:55. Available at: http://www.acronymgeek.com/GKP. Accessed February 14, 2012, 07:55. |