Cita APA

Kirkien, L. (1944). Russia, Poland and the Curzon Line. Caldra House.

Citación estilo Chicago

Kirkien, Leszek. Russia, Poland and the Curzon Line. [Duns, Scotl.]: Caldra House, 1944.

Cita MLA

Kirkien, Leszek. Russia, Poland and the Curzon Line. Caldra House, 1944.