Ayer, A. J. (1956). The problem of knowledge / A.J. Ayer. Penguin.
Chicago Edition CitationAyer, A. J. The Problem of Knowledge / A.J. Ayer. Harmondsworth: Penguin, 1956.
MLA Edition CitationAyer, A. J. The Problem of Knowledge / A.J. Ayer. Penguin, 1956.
Warning: These citations may not always be 100% accurate.