APA (7th ed.) Citation

Ogley, R. (1970). The theory and practice of neutrality in the twentieth century. Rouledge and Kegan Paul.

Chicago Style (17th ed.) Citation

Ogley, Roderick. The Theory and Practice of Neutrality in the Twentieth Century. London: Rouledge and Kegan Paul, 1970.

MLA (9th ed.) Citation

Ogley, Roderick. The Theory and Practice of Neutrality in the Twentieth Century. Rouledge and Kegan Paul, 1970.