APA (7th ed.) Citation

Joll, J. (1991). The mood of 1914. The outbreak of World War I.

Chicago Style (17th ed.) Citation

Joll, James. "The Mood of 1914." The Outbreak of World War I 1991.

MLA (8th ed.) Citation

Joll, James. "The Mood of 1914." The Outbreak of World War I, 1991.

Warning: These citations may not always be 100% accurate.