Hempel, C. G. (1969). Fundamentals of concept formation in empirical science. University Press.
Chicago Style (17th ed.) CitationHempel, Carl G. Fundamentals of Concept Formation in Empirical Science. Chicago: University Press, 1969.
MLA (9th ed.) CitationHempel, Carl G. Fundamentals of Concept Formation in Empirical Science. University Press, 1969.
Warning: These citations may not always be 100% accurate.