Cita APA

Helmreich, E. C. (1937). Montenegro and the formation of the Balkan League. Maney.

Citación estilo Chicago

Helmreich, Ernst Christian. Montenegro and the Formation of the Balkan League. Leeds: Maney, 1937.

Cita MLA

Helmreich, Ernst Christian. Montenegro and the Formation of the Balkan League. Maney, 1937.