| APA | Smart Define. (1970). peter the great saint petersburg polytechnic university thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/peter_the_great_saint_petersburg_polytechnic_university/thesaurus/broader |
| Chicago | Smart Define. 1970. "peter the great saint petersburg polytechnic university thesaurus" https://smartdefine.org/peter_the_great_saint_petersburg_polytechnic_university/thesaurus/broader (accessed October 1, 2026). |
| Harvard | Smart Define 1970, peter the great saint petersburg polytechnic university thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/peter_the_great_saint_petersburg_polytechnic_university/thesaurus/broader>. |
| MLA | Smart Define. "peter the great saint petersburg polytechnic university thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/peter_the_great_saint_petersburg_polytechnic_university/thesaurus/broader> |