APA (7th ed.) Citation

Kuhn, T. S. (1971). The structure of scientific revolutions (2nd ed., enl.). University Press.

Chicago Style (17th ed.) Citation

Kuhn, Thomas S. The Structure of Scientific Revolutions. 2nd ed., enl. Chicago: University Press, 1971.

MLA (9th ed.) Citation

Kuhn, Thomas S. The Structure of Scientific Revolutions. 2nd ed., enl. University Press, 1971.