Cita APA (7th ed.)

Foster, W. Z. (1949). The twilight of world capitalism. International Publishers.

Cita Chicago (17th ed.)

Foster, William Z. The Twilight of World Capitalism. New York: International Publishers, 1949.

Cita MLA (8th ed.)

Foster, William Z. The Twilight of World Capitalism. International Publishers, 1949.