APA Style

P., P. (1957). KOVALEVSKAYA. Sophia vasilyevna. her life and work (6). : FOREIGN LANGUAGES PUBLISHING HOUSE, MOSCOW, 1957.

MLA Style

P., POLUBARINOVA-KOCHINA.. "KOVALEVSKAYA. Sophia vasilyevna. her life and work". 6 : FOREIGN LANGUAGES PUBLISHING HOUSE, MOSCOW, 1957, 1957. Text.