(a.) Triquetrous.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). triquetral. Retrieved September 25, 2026, from http://smartdefine.org/triquetral/definitions/2074865 |
| Chicago | Webster's. 2011. "triquetral" http://smartdefine.org/triquetral/definitions/2074865 (accessed September 25, 2026). |
| Harvard | Webster's 2011, triquetral, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/triquetral/definitions/2074865>. |
| MLA | Webster's. "triquetral" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/triquetral/definitions/2074865> |