APA (7th ed.) Citation

Ayer, A. J. (1979). The foundations of empirical knowledge. MacMillan.

Chicago Style (17th ed.) Citation

Ayer, Alfred J. The Foundations of Empirical Knowledge. London: MacMillan, 1979.

MLA (9th ed.) Citation

Ayer, Alfred J. The Foundations of Empirical Knowledge. MacMillan, 1979.

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