Styl cytowania APA

Berlin, I., Hardy, H., & Williams, B. (1981). Concepts and categories: Philosophical essays. Penguin.

Styl cytowania Chicago

Berlin, Isaiah, Henry Hardy, i Bernard Williams. Concepts and Categories: Philosophical Essays. Harmondsworth: Penguin, 1981.

Styl cytowania MLA

Berlin, Isaiah, et al. Concepts and Categories: Philosophical Essays. Penguin, 1981.