Sullivan, J. W. N. (1938). Limitations of science. Penguin.
Cita Chicago (17th ed.)Sullivan, J. W. N. Limitations of Science. Harmondsworth: Penguin, 1938.
Cita MLA (8th ed.)Sullivan, J. W. N. Limitations of Science. Penguin, 1938.
Atenció: Aquestes cites poden no estar 100% correctes.