APA (7th ed.) Citation

Gumplowicz, W. (1915). Russia and Poland during the present war. [s.n.].

Chicago Style (17th ed.) Citation

Gumplowicz, Władysław. Russia and Poland During the Present War. Lausanne: [s.n.], 1915.

MLA (9th ed.) Citation

Gumplowicz, Władysław. Russia and Poland During the Present War. [s.n.], 1915.