Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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