APA (7th ed.) Citation

Buchan, J. (1917). The battle of the Somme. George H. Doran.

Chicago Style (17th ed.) Citation

Buchan, John. The Battle of the Somme. New York: George H. Doran, 1917.

MLA (9th ed.) Citation

Buchan, John. The Battle of the Somme. George H. Doran, 1917.