| Style | Reference Text |
|---|
| APA | Fermat's Principle. (2009, November 29). In All Acronyms. Retrieved 01:57, November 29, 2009, from http://www.all-acronyms.com/cat/0/FP/Fermat%27s_Principle/1033374 |
| MLA | "Fermat's Principle." All Acronyms. 29 Nov 2009, 01:57. All Acronyms. 29 Nov 2009 <http://www.all-acronyms.com/cat/0/FP/Fermat%27s_Principle/1033374>. |
| MHRA | 'Fermat's Principle', All Acronyms, 29 November 2009, 01:57, <http://www.all-acronyms.com/cat/0/FP/Fermat%27s_Principle/1033374> [accessed 29 November 2009] |
| Chicago | "Fermat's Principle," http://www.all-acronyms.com/cat/0/FP/Fermat%27s_Principle/1033374 (accessed November 29, 2009). |
| CBE/CSE | Fermat's Principle [Internet]. All Acronyms; 2009 Nov 29, 01:57 [cited 2009 Nov 29]. Available from: http://www.all-acronyms.com/cat/0/FP/Fermat%27s_Principle/1033374. |
| Bluebook | Fermat's Principle, http://www.all-acronyms.com/cat/0/FP/Fermat%27s_Principle/1033374 (last visited November 29, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, Fermat's Principle, http://www.all-acronyms.com/cat/0/FP/Fermat%27s_Principle/1033374 (optional description here) (as of Nov. 29, 2009, 01:57). |
| AMA | Fermat's Principle. All Acronyms. November 29, 2009, 01:57. Available at: http://www.all-acronyms.com/cat/0/FP/Fermat%27s_Principle/1033374. Accessed November 29, 2009. |