APA引文

Hempel, C. G. (1952). Fundamentals of concept formation in empirical science. University of Chicago Press.

Chicago Edition Citation

Hempel, Carl G. Fundamentals of Concept Formation in Empirical Science. Chicago: University of Chicago Press, 1952.

MLA引文

Hempel, Carl G. Fundamentals of Concept Formation in Empirical Science. University of Chicago Press, 1952.

警告：這些引文格式不一定是100％准確.