Hempel, C. G. (1966). Aspects of scientific explanation and other essays in the philosophy of science. The free press.
Chicago Style (17th ed.) CitationHempel, Carl G. Aspects of Scientific Explanation and Other Essays in the Philosophy of Science. New York: The free press, 1966.
MLA (9th ed.) CitationHempel, Carl G. Aspects of Scientific Explanation and Other Essays in the Philosophy of Science. The free press, 1966.