APA (7th ed.) Citation

Ayer, A. J. (1982). Philosophy in the twentieth century (1. ed.). Random House.

Chicago Style (17th ed.) Citation

Ayer, Alfred J. Philosophy in the Twentieth Century. 1. ed. New York: Random House, 1982.

MLA (9th ed.) Citation

Ayer, Alfred J. Philosophy in the Twentieth Century. 1. ed. Random House, 1982.