| APA | GPGU. (2012, February 16). In Acronym Geek. Retrieved 08:00, February 16, 2012, from http://www.acronymgeek.com/GPGU |
| MLA | "GPGU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GPGU>. |
| MHRA | 'GPGU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GPGU> [accessed 16 February 2012] |
| Chicago | "GPGU", http://www.acronymgeek.com/GPGU (accessed February 16, 2012). |
| CBE/CSE | GPGU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GPGU. |
| Bluebook | GPGU, http://www.acronymgeek.com/GPGU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GPGU, http://www.acronymgeek.com/GPGU (optional description here) (as of Feb. 16, 2012, 08:00). |
| AMA | GPGU. Acronym Geek. February 16, 2012, 08:00. Available at: http://www.acronymgeek.com/GPGU. Accessed February 16, 2012, 08:00. |