| APA | Smart Define. (1970). i thank you from the bottom of my heart thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/i_thank_you_from_the_bottom_of_my_heart/thesaurus/synonyms |
| Chicago | Smart Define. 1970. "i thank you from the bottom of my heart thesaurus" https://smartdefine.org/i_thank_you_from_the_bottom_of_my_heart/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 1970, i thank you from the bottom of my heart thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/i_thank_you_from_the_bottom_of_my_heart/thesaurus/synonyms>. |
| MLA | Smart Define. "i thank you from the bottom of my heart thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/i_thank_you_from_the_bottom_of_my_heart/thesaurus/synonyms> |