Apokalip︠s︡isʺ stago Īōanna Bgoslova and Апокалиѱисъ стаго Іѡанна Бгослова
MLA
John, the Apostle, and Saint. Apokalip︠s︡isʺ Stago Īōanna Bgoslova, Апокалиѱисъ Стаго Іѡанна Бгослова. 18AD. https://collections.library.yale.edu/catalog/33243210.
APA, 6th edition
John, the A., & S. (18 C.E.). Apokalip︠s︡isʺ stago Īōanna Bgoslova, Апокалиѱисъ стаго Іѡанна Бгослова [Commentaries, Manuscripts, Slavic Russia 18th century, Illuminated manuscripts Russia 18th century]. https://collections.library.yale.edu/catalog/33243210.