| APA | Smart Define. (2011). sick in the head thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/sick_in_the_head/thesaurus/related |
| Chicago | Smart Define. 2011. "sick in the head thesaurus" https://smartdefine.org/sick_in_the_head/thesaurus/related (accessed September 30, 2026). |
| Harvard | Smart Define 2011, sick in the head thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/sick_in_the_head/thesaurus/related>. |
| MLA | Smart Define. "sick in the head thesaurus" 23 May 2011. Web. 30 September 2026. <https://smartdefine.org/sick_in_the_head/thesaurus/related> |