APA (7th ed.) Citation

Ogley, R. (1970). The theory and practice of neutrality in the twentieth century. Routledge & K. Paul.

Chicago Style (17th ed.) Citation

Ogley, Roderick. The Theory and Practice of Neutrality in the Twentieth Century. London: Routledge & K. Paul, 1970.

MLA (9th ed.) Citation

Ogley, Roderick. The Theory and Practice of Neutrality in the Twentieth Century. Routledge & K. Paul, 1970.