Cita APA (7th ed.)

Berlin, I., & Hardy, H. (2000). The power of ideas. Princeton University Press.

Cita Chicago (17th ed.)

Berlin, Isaiah, i Henry Hardy. The Power of Ideas. Princeton: Princeton University Press, 2000.

Cita MLA (9th ed.)

Berlin, Isaiah, i Henry Hardy. The Power of Ideas. Princeton University Press, 2000.