| APA | Smart Define. (2015). Kingdom of Heaven thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/kingdom_of_heaven/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "Kingdom of Heaven thesaurus" https://smartdefine.org/kingdom_of_heaven/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, Kingdom of Heaven thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/kingdom_of_heaven/thesaurus/synonyms>. |
| MLA | Smart Define. "Kingdom of Heaven thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/kingdom_of_heaven/thesaurus/synonyms> |