| APA | PGCI. (2012, February 16). In Acronym Geek. Retrieved 01:54, February 16, 2012, from http://www.acronymgeek.com/PGCI |
| MLA | "PGCI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PGCI>. |
| MHRA | 'PGCI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PGCI> [accessed 16 February 2012] |
| Chicago | "PGCI", http://www.acronymgeek.com/PGCI (accessed February 16, 2012). |
| CBE/CSE | PGCI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PGCI. |
| Bluebook | PGCI, http://www.acronymgeek.com/PGCI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PGCI, http://www.acronymgeek.com/PGCI (optional description here) (as of Feb. 16, 2012, 01:54). |
| AMA | PGCI. Acronym Geek. February 16, 2012, 01:54. Available at: http://www.acronymgeek.com/PGCI. Accessed February 16, 2012, 01:54. |