Style de citation APA

Lieven, D. C. B. (1991). Russia accepts a general war. The outbreak of World War I.

Style de citation Chicago

Lieven, D. C. B. "Russia Accepts a General War." The Outbreak of World War I 1991.

Style de citation MLA

Lieven, D. C. B. "Russia Accepts a General War." The Outbreak of World War I, 1991.