MLA

Ostrovsky, Aleksandr Nikolaevich, 1823-1886. Polnoe sobranīe sochinenīĭ A. N. Ostrovskago. t.5-6. 1878-1886.. https://collections.library.yale.edu/catalog/32158097.

APA, 6th edition

Ostrovsky, Aleksandr Nikolaevich, 1823-1886. (["t.5-6"])(1878-1886.)[Polnoe sobranīe sochinenīĭ A. N. Ostrovskago]. https://collections.library.yale.edu/catalog/32158097.