Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). quarteron. Retrieved September 21, 2026, from http://smartdefine.org/quarteron/definitions/2051728 |
| Chicago | Webster's. 2011. "quarteron" http://smartdefine.org/quarteron/definitions/2051728 (accessed September 21, 2026). |
| Harvard | Webster's 2011, quarteron, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/quarteron/definitions/2051728>. |
| MLA | Webster's. "quarteron" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/quarteron/definitions/2051728> |