Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). nodal. Retrieved September 20, 2026, from http://smartdefine.org/nodal/definitions/2036971 |
| Chicago | Webster's. 2011. "nodal" http://smartdefine.org/nodal/definitions/2036971 (accessed September 20, 2026). |
| Harvard | Webster's 2011, nodal, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/nodal/definitions/2036971>. |
| MLA | Webster's. "nodal" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/nodal/definitions/2036971> |