MLA

Shert︠s︡lʹ, Vikentiĭ Ivanovich, 1843-. Sravnitelʹnai︠a︡ grammatika slavi︠a︡nskikh i drugikh rodstvennykh i︠a︡zykov. ch.1. 1871-. https://collections.library.yale.edu/catalog/30876227.

APA, 6th edition

Shert︠s︡lʹ, Vikentiĭ Ivanovich, 1843-. (["ch.1"])(1871-)[Sravnitelʹnai︠a︡ grammatika slavi︠a︡nskikh i drugikh rodstvennykh i︠a︡zykov]. https://collections.library.yale.edu/catalog/30876227.