APA (7th ed.) Citation

Custance, R. N. (1924). A study of war. Constable and company ltd..

Chicago Style (17th ed.) Citation

Custance, Reginald Neville. A Study of War. London [etc.]: Constable and company ltd., 1924.

MLA (9th ed.) Citation

Custance, Reginald Neville. A Study of War. Constable and company ltd., 1924.