APA (7th ed.) Citation

Berlin, I. (1980). Concepts and categories: Philosophical essays. Univ. Press.

Chicago Style (17th ed.) Citation

Berlin, Isaiah. Concepts and Categories: Philosophical Essays. Oxford u.a: Univ. Press, 1980.

MLA (9th ed.) Citation

Berlin, Isaiah. Concepts and Categories: Philosophical Essays. Univ. Press, 1980.