Cita APA (7th ed.)
Boulding, K. E. (1965). The meaning of the twentieth century: The great transition (Primera edición.). Harper & Row, Publishers.
Cita Chicago (17th ed.)
Boulding, Kenneth E. The Meaning of the Twentieth Century: The Great Transition. Primera edición. Nueva York: Harper & Row, Publishers, 1965.
Cita MLA (9th ed.)
Boulding, Kenneth E. The Meaning of the Twentieth Century: The Great Transition. Primera edición. Harper & Row, Publishers, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.