Citazione Stile APA (7a Edizione)

Berlin, I., & Williams, B. A. O. (1980). Concepts and categories: Philosophical essays. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Berlin, Isaiah, e Bernard Arthur Owen Williams. Concepts and Categories: Philosophical Essays. Oxford [etc.]: Oxford University Press, 1980.

Citatione MLA (9a ed.)

Berlin, Isaiah, e Bernard Arthur Owen Williams. Concepts and Categories: Philosophical Essays. Oxford University Press, 1980.