APA (7th ed.) Citation

Barnes, H. (1929). The genesis of the World War: An introduction to the problem of war guilt (New and rev. ed.). Knopf.

Chicago Style (17th ed.) Citation

Barnes, Harry. The Genesis of the World War: An Introduction to the Problem of War Guilt. New and rev. ed. New York [u.a.]: Knopf, 1929.

MLA (9th ed.) Citation

Barnes, Harry. The Genesis of the World War: An Introduction to the Problem of War Guilt. New and rev. ed. Knopf, 1929.