MLA

Wilbrecht, Alexander. Chertezhʺ novoprīobri︠e︡tennymʺ Otʺ Polʹshi Rossīei︠u︡ zemli︠a︡mʺ Vʺ 1793 Godu / Soch: A. Vilbrekhtʺ. Vyr. K. Ushakovʺ,, Выр. Ушаковъ, 0AD. https://collections.library.yale.edu/catalog/16397472.

APA, 6th edition

Wilbrecht, A. (0 C.E.). Chertezhʺ novoprīobri︠e︡tennymʺ otʺ Polʹshi Rossīei︠u︡ zemli︠a︡mʺ vʺ 1793 godu / soch: A. Vilbrekhtʺ. [Maps.]. Vyr. K. Ushakovʺ,, Выр. Ушаковъ, https://collections.library.yale.edu/catalog/16397472.