APA (7th ed.) Citation

(1998). World War One, British army (1. Engl. ed.). Brassey's.

Chicago Style (17th ed.) Citation

World War One, British Army. 1. Engl. ed. London [u.a.]: Brassey's, 1998.

MLA (9th ed.) Citation

World War One, British Army. 1. Engl. ed. Brassey's, 1998.