The invasion & the war in Belgium from Liège to the Yser,
with a sketch of the diplomatic negotiations preceding the conflict,
by Léon van der Essen.

APA Citation

Essen, L. van der. (1917). The invasion & the war in Belgium from Liège to the Yser: with a sketch of the diplomatic negotiations preceding the conflict. London: T. F. Unwin.

MLA Citation

Essen, Léon van der, b. 1883. The Invasion & the War In Belgium From Liège to the Yser: With a Sketch of the Diplomatic Negotiations Preceding the Conflict. London: T. F. Unwin, 1917.

Warning: These citations may not always be complete (especially for serials).