APA (7th ed.) Citation

Northcliffe, A. H. (1916). At the war. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Northcliffe, Alfred Harmsworth. At the War. London: Hodder and Stoughton, 1916.

MLA (8th ed.) Citation

Northcliffe, Alfred Harmsworth. At the War. Hodder and Stoughton, 1916.