APA Edition Citation

Ayer, A. J. (1982). Philosophy in the twentieth century / A.J. Ayer. Weidenfeld and Nicolson.

Chicago Edition Citation

Ayer, A. J. Philosophy in the Twentieth Century / A.J. Ayer. London: Weidenfeld and Nicolson, 1982.

MLA Edition Citation

Ayer, A. J. Philosophy in the Twentieth Century / A.J. Ayer. Weidenfeld and Nicolson, 1982.

Warning: These citations may not always be 100% accurate.