| APA | GPS. (2012, February 14). In Acronym Geek. Retrieved 10:12, February 14, 2012, from http://www.acronymgeek.com/GPS |
| MLA | "GPS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GPS>. |
| MHRA | 'GPS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GPS> [accessed 14 February 2012] |
| Chicago | "GPS", http://www.acronymgeek.com/GPS (accessed February 14, 2012). |
| CBE/CSE | GPS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GPS. |
| Bluebook | GPS, http://www.acronymgeek.com/GPS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GPS, http://www.acronymgeek.com/GPS (optional description here) (as of Feb. 14, 2012, 10:12). |
| AMA | GPS. Acronym Geek. February 14, 2012, 10:12. Available at: http://www.acronymgeek.com/GPS. Accessed February 14, 2012, 10:12. |