Cita APA

Herwig, H. H. (1997). The First World War: Germany and Austria-Hungary, 1914 - 1918. Arnold.

Citación estilo Chicago

Herwig, Holger H. The First World War: Germany and Austria-Hungary, 1914 - 1918. London [u.a.]: Arnold, 1997.

Cita MLA

Herwig, Holger H. The First World War: Germany and Austria-Hungary, 1914 - 1918. Arnold, 1997.