APA (7th ed.) Citation

Geiss, I. (1967). July 1914: The outbreak of the First World War. Batsford.

Chicago Style (17th ed.) Citation

Geiss, Imanuel. July 1914: The Outbreak of the First World War. London: Batsford, 1967.

MLA (9th ed.) Citation

Geiss, Imanuel. July 1914: The Outbreak of the First World War. Batsford, 1967.