APA (7th ed.) Citation

(1975). The outbreak of the First World War: Causes and responsibilities (4. ed.). Heath.

Chicago Style (17th ed.) Citation

The Outbreak of the First World War: Causes and Responsibilities. 4. ed. Lexington, Mass. [u.a.]: Heath, 1975.

MLA (9th ed.) Citation

The Outbreak of the First World War: Causes and Responsibilities. 4. ed. Heath, 1975.