MLA

Trudy Imperatorskoĭ rossīĭskoĭ akademīi. V Tip. Imperatorskoĭ rossīĭskoĭ akademīi, 1840. https://collections.library.yale.edu/catalog/30104621.

APA, 6th edition

Trudy Imperatorskoĭ rossīĭskoĭ akademīi. (1840). V Tip. Imperatorskoĭ rossīĭskoĭ akademīi. https://collections.library.yale.edu/catalog/30104621.