Cita APA (7th ed.)

Kohr, L. (1957). The breakdown of nations. Routledge & K. Paul.

Cita Chicago (17th ed.)

Kohr, Leopold. The Breakdown of Nations. London: Routledge & K. Paul, 1957.

Cita MLA (9th ed.)

Kohr, Leopold. The Breakdown of Nations. Routledge & K. Paul, 1957.