MLA

Kostomarov, N. I. (Nikolaĭ Ivanovich), 1817-1885. Zbirnyk tvòriv. 1875.. https://collections.library.yale.edu/catalog/30088993.

APA, 6th edition

Kostomarov, N. I. (Nikolaĭ Ivanovich), 1817-1885. (1875.)[Zbirnyk tvòriv]. https://collections.library.yale.edu/catalog/30088993.