APA (7th ed.) Citation

Wood, L. (1915). The military obligation of citizenship. Princeton university press; [etc.,etc.].

Chicago Style (17th ed.) Citation

Wood, Leonard. The Military Obligation of Citizenship. Princeton: Princeton university press; [etc.,etc.], 1915.

MLA (8th ed.) Citation

Wood, Leonard. The Military Obligation of Citizenship. Princeton university press; [etc.,etc.], 1915.