| APA | GZP. (2012, February 11). In Acronym Geek. Retrieved 22:59, February 11, 2012, from http://www.acronymgeek.com/GZP |
| MLA | "GZP." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/GZP>. |
| MHRA | 'GZP', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/GZP> [accessed 11 February 2012] |
| Chicago | "GZP", http://www.acronymgeek.com/GZP (accessed February 11, 2012). |
| CBE/CSE | GZP [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/GZP. |
| Bluebook | GZP, http://www.acronymgeek.com/GZP (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GZP, http://www.acronymgeek.com/GZP (optional description here) (as of Feb. 11, 2012, 22:59). |
| AMA | GZP. Acronym Geek. February 11, 2012, 22:59. Available at: http://www.acronymgeek.com/GZP. Accessed February 11, 2012, 22:59. |