APA (7th ed.) Citation

Boulding, K. E. (1965). The meaning of the Twentieth Century: The great transition. Harper and Row.

Chicago Style (17th ed.) Citation

Boulding, Kenneth E. The Meaning of the Twentieth Century: The Great Transition. New York, USA: Harper and Row, 1965.

MLA (9th ed.) Citation

Boulding, Kenneth E. The Meaning of the Twentieth Century: The Great Transition. Harper and Row, 1965.