| APA | GEPH. (2012, February 17). In Acronym Geek. Retrieved 07:34, February 17, 2012, from http://www.acronymgeek.com/GEPH |
| MLA | "GEPH." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/GEPH>. |
| MHRA | 'GEPH', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/GEPH> [accessed 17 February 2012] |
| Chicago | "GEPH", http://www.acronymgeek.com/GEPH (accessed February 17, 2012). |
| CBE/CSE | GEPH [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/GEPH. |
| Bluebook | GEPH, http://www.acronymgeek.com/GEPH (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GEPH, http://www.acronymgeek.com/GEPH (optional description here) (as of Feb. 17, 2012, 07:34). |
| AMA | GEPH. Acronym Geek. February 17, 2012, 07:34. Available at: http://www.acronymgeek.com/GEPH. Accessed February 17, 2012, 07:34. |