Liricheskiĭ geroĭ Esenina.
MLA
I︠U︡dkevich, L. G. Liricheskiĭ geroĭ Esenina. [Place of publication not identified] : [publisher not identified], 1971.
APA
I︠U︡dkevich, L. (1971). Liricheskiĭ geroĭ Esenina. [Place of publication not identified] : [publisher not identified].
Chicago
I︠U︡dkevich, L. G. Liricheskiĭ geroĭ Esenina. [Place of publication not identified] : [publisher not identified], 1971.