Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). earldom. Retrieved September 20, 2026, from http://smartdefine.org/earldom/definitions/2001271 |
| Chicago | Webster's. 2011. "earldom" http://smartdefine.org/earldom/definitions/2001271 (accessed September 20, 2026). |
| Harvard | Webster's 2011, earldom, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/earldom/definitions/2001271>. |
| MLA | Webster's. "earldom" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/earldom/definitions/2001271> |