Cita APA

Obraftsov, V. (1939). The railroads of the U.S.S.R. Foreign Languages Publishing House.

Citación estilo Chicago

Obraftsov, V. The Railroads of the U.S.S.R. Moscow: Foreign Languages Publishing House, 1939.

Cita MLA

Obraftsov, V. The Railroads of the U.S.S.R. Foreign Languages Publishing House, 1939.