MLA

Sarychev, Gavriil Andreevich, 1763-1831. Puteshestvie po severo-vostochnoĭ chasti Sibiri, Ledovitomu mori︠u︡ i Vostochnomu okeanu. 1952.. https://collections.library.yale.edu/catalog/30946334.

APA, 6th edition

Sarychev, Gavriil Andreevich, 1763-1831. (1952.)[Puteshestvie po severo-vostochnoĭ chasti Sibiri, Ledovitomu mori︠u︡ i Vostochnomu okeanu]. https://collections.library.yale.edu/catalog/30946334.