APA
Unbegaun B.O, . (1968). Russian versification. Oxford: The Clarendon Press.
Chicago
Unbegaun B.O, . 1968. Russian versification. Oxford: The Clarendon Press.
Harvard
Unbegaun B.O, . (1968). Russian versification. Oxford: The Clarendon Press.
MLA
Unbegaun B.O, . Russian versification. Oxford: The Clarendon Press. 1968.
