Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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