| APA | PIXE. (2012, February 16). In Acronym Geek. Retrieved 18:35, February 16, 2012, from http://www.acronymgeek.com/PIXE |
| MLA | "PIXE." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PIXE>. |
| MHRA | 'PIXE', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PIXE> [accessed 16 February 2012] |
| Chicago | "PIXE", http://www.acronymgeek.com/PIXE (accessed February 16, 2012). |
| CBE/CSE | PIXE [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PIXE. |
| Bluebook | PIXE, http://www.acronymgeek.com/PIXE (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PIXE, http://www.acronymgeek.com/PIXE (optional description here) (as of Feb. 16, 2012, 18:35). |
| AMA | PIXE. Acronym Geek. February 16, 2012, 18:35. Available at: http://www.acronymgeek.com/PIXE. Accessed February 16, 2012, 18:35. |